# Description

This program is approved for inclusion in Google Play for Education!

It is design for tablets and phone devises!

Math in One graphing calculator can evaluate any mathematical expression of any length and complexity that includes real or complex numbers. It can operate in decimal or common fractions format. It graphs in Cartesian, polar coordinates or parametric equations. Expressions can be entered in editor text box Input Output Display (IOD) and then edited in the middle of the string (text) on any line. The calculation execution can be performed from any line in (IOD). If a user makes an unsupported entry during the operation of this software, the calculator will generate an error message and explanation. The help is built in to the calculator (Alt 0 - cm, help) and available on line. It also includes a uniquely designed Unit Converter, Financial Analysis (savings, loans, bonds) and can save Graphs, Memory, Expressions and IOD in to a File.

In Cartesian coordinates, plotted multiple graphs can be moved and resized. Function values may be displayed for a specific independent variable. Tracing the pointers on a screen, one can find zeros, minimums, maximums and intersections of functions. Function’s first and second order derivative can be added to the graph display. Draw tangent or perpendicular line to the existing function at select point or line crossing two points on one or two functions. Calculate intersection of two functions and area bounded by one, two or three functions.

The Unit Converter has 19 different categories of units of measurement. There are 20 SI prefixes that can be applied to any unit. It supports 170 unique units, 1990 derived units, and when the prefixes are included there is a combination of 43,200 different units that can be converted. Any number in calculator’s IOD can be moved to UC, converted and then replaced. In addition, the number to be converted can be edited anytime directly in UC.

It recognizes 16 operators, over 60+ basic functions that are calculated in complex numbers, and 85 mathematical and physical constants(e.g. “trigonometric, hyperbolic, logarithmic functions and there invers”, “probability functions” "beta function", "gamma function", "error functions", and more special functions, " logical operators like exclusive or (XOR)", "Planck's constant", "atomic mass constant", "Avogadro's number",...). Finds zeros of any function in real or complex domain. Evaluates derivatives up to nine order and calculates integrals. Function’s first and second order derivative and Integral can be used in expression.

Evaluates calculation error for any function or expression. Displays calculation results in selected Sig Fig notation. Converts between binary, octal, decimal, and hexadecimal number systems. Performs arithmetic and logical operations on any number systems ("and", "or", "exclusive or", "not", "shift"). Executes trigonometric function calculations in radians, degrees, or gradients. The value of the last calculation computed is automatically stored in an "arg" variable, which is then ready for use in the next operation. Results from any calculation can be stored in the memory entry for future use with no limitation on the number of memories. Contains additional memory known as “Expressions” to store mathematical formulas that can be used in applications and graphing functions.

Option menu/Settings:

- Screen On – Keep screen on when calculator is in use

- Text Display – Font Size

- Title bar off- Do not display title bar in a main view. (Android v4.2 can use title bar or ‘Alt 0’ to get to custom menu)

- Pull Down Menu – Font Size

- Display Calculation error

- Fraction display format

- Decimal separator selection (dot vs. comma)

- Haptic Feedback –vibration

It is design for tablets and phone devises!

Math in One graphing calculator can evaluate any mathematical expression of any length and complexity that includes real or complex numbers. It can operate in decimal or common fractions format. It graphs in Cartesian, polar coordinates or parametric equations. Expressions can be entered in editor text box Input Output Display (IOD) and then edited in the middle of the string (text) on any line. The calculation execution can be performed from any line in (IOD). If a user makes an unsupported entry during the operation of this software, the calculator will generate an error message and explanation. The help is built in to the calculator (Alt 0 - cm, help) and available on line. It also includes a uniquely designed Unit Converter, Financial Analysis (savings, loans, bonds) and can save Graphs, Memory, Expressions and IOD in to a File.

In Cartesian coordinates, plotted multiple graphs can be moved and resized. Function values may be displayed for a specific independent variable. Tracing the pointers on a screen, one can find zeros, minimums, maximums and intersections of functions. Function’s first and second order derivative can be added to the graph display. Draw tangent or perpendicular line to the existing function at select point or line crossing two points on one or two functions. Calculate intersection of two functions and area bounded by one, two or three functions.

The Unit Converter has 19 different categories of units of measurement. There are 20 SI prefixes that can be applied to any unit. It supports 170 unique units, 1990 derived units, and when the prefixes are included there is a combination of 43,200 different units that can be converted. Any number in calculator’s IOD can be moved to UC, converted and then replaced. In addition, the number to be converted can be edited anytime directly in UC.

It recognizes 16 operators, over 60+ basic functions that are calculated in complex numbers, and 85 mathematical and physical constants(e.g. “trigonometric, hyperbolic, logarithmic functions and there invers”, “probability functions” "beta function", "gamma function", "error functions", and more special functions, " logical operators like exclusive or (XOR)", "Planck's constant", "atomic mass constant", "Avogadro's number",...). Finds zeros of any function in real or complex domain. Evaluates derivatives up to nine order and calculates integrals. Function’s first and second order derivative and Integral can be used in expression.

Evaluates calculation error for any function or expression. Displays calculation results in selected Sig Fig notation. Converts between binary, octal, decimal, and hexadecimal number systems. Performs arithmetic and logical operations on any number systems ("and", "or", "exclusive or", "not", "shift"). Executes trigonometric function calculations in radians, degrees, or gradients. The value of the last calculation computed is automatically stored in an "arg" variable, which is then ready for use in the next operation. Results from any calculation can be stored in the memory entry for future use with no limitation on the number of memories. Contains additional memory known as “Expressions” to store mathematical formulas that can be used in applications and graphing functions.

Option menu/Settings:

- Screen On – Keep screen on when calculator is in use

- Text Display – Font Size

- Title bar off- Do not display title bar in a main view. (Android v4.2 can use title bar or ‘Alt 0’ to get to custom menu)

- Pull Down Menu – Font Size

- Display Calculation error

- Fraction display format

- Decimal separator selection (dot vs. comma)

- Haptic Feedback –vibration

You can review our response to User Reviews at http://mathinone.com/calculator/help/comments.php

For more details visit us at http://mathinone.com.

You must install this app before submitting a review.

Google Play reviews now use Google+ so it's easier to see opinions from people you care about. New reviews will be publicly linked to your Google+ profile. Your name on previous reviews now appears as "A Google User".

Write a review

My review

Review from

# Reviews

Helpfulness

Newest

Rating

Helpfulness

All Versions

All Versions

Latest Version

5.0

1 total

5 1

4 0

3 0

2 0

1 0

A Google User

Great app Bought this after trying several others that just didn’t do what I wanted. The functionality is great, use it all the time.

User reviews

Review deleted

# What's New

GC-2-15

Corrected invers trigonometric functions output display (arcctng, arccsc, arcsec) in degree and gradient mode.

GC-2-14

- Save graphing display to png file.

- Fixed, displayed calculation error for some sigfig setting.

- Throw exception when use ‘F’ incorrectly (no index or item not exist)

- Display adjustment, for Tablets and Android V4.2

- Access ‘custom menu’ from ‘Alt 0’ button

GC-2-13

Add save Memory, Expressions, Input Output display in to a file

# Additional information

Updated

June 2, 2013

Size

308k

Installs

10 - 50

Current Version

GC-2.15

Requires Android

2.1 and up

Permissions

Report

Flag as inappropriate Offered By

KJMJ LLC

Developer

Visit website Email feedback@mathinone.com Privacy Policy

KJMJ LLC
PO Box 868
Novi MI 48376-0868
USA

# Similar

## King Calculator Premium

This app is the same app as the free version

Please try the free version first, if you like it buy this one.

-------

King Calculator aims to be very simple to use while being extremely functional, it's great for simple day-to-day operations or for scientific studies and work.

The only calculator for android that supports work with fractions, you can add fractions, edit fractions and more.

Excellent for school work, college studies, science and engineering.

Please try the free version first, if you like it buy this one.

-------

King Calculator aims to be very simple to use while being extremely functional, it's great for simple day-to-day operations or for scientific studies and work.

The only calculator for android that supports work with fractions, you can add fractions, edit fractions and more.

Excellent for school work, college studies, science and engineering.

King Calculator is designed to be useful to almost anyone, from kids to grown-ups, so whether you are looking for a basic or advanced calculator, King Calculator is the app you want.

King Calculator got accepted to the Google in education program and being incorporated in schools who use Android devices as educational tools.

King Calculator offers a simple layout for common operations and scientific layout for when you need a scientific calculator which is also a graphing calculator

Simple calculator layout offers:

• Basic arithmetic, Exponentiation, Square root.

• Percentage calculation.

• Classic memory functionality or Casio style MRC / M+ / M- buttons and memory capabilities.

• Calculation History.

Scientific calculator layout offers:

• Trigonometric function ( Sine, cosine, tangent, arcsine, arcosine, arctan, hyperbolic • sine/cosine and tangent)

• Exponentiation

• Square and cubed root (or any other root using the exponentiation button)

• Factorial and modulo operations

• Logarithmic functions

• Absolute value function and more.

• Plotting/Graphing functions.

## Machinist Calc Pro Calculator

The Machinist Calc Pro machining calculator is deal for machining pros and machine shop owners who want to increase productivity and profits in the design, layout and set-up stages of production and reduce wear and tear on costly cutting tools.

The Machinist Calc Pro is the first machining math and reference tool to provide a complete assortment of machine shop solutions. This machining calculator has more complete Thread data than the Machinery's Handbook, including step-saving Thread and Drill Size chart look-ups, speeds and feeds, right triangle solutions, bolt patterns and much more.

Spend more time machining and less time looking up specs and data in books, on charts or in computer programs. A must-have for all machinists and machine shops.

FEATURES:

• Created by Calculated Industries, the originator of the award-winning Construction Master calculators

• Built-in help, just press and hold a key

• All the functionality and solutions of the handheld Machinist Calc Pro calculators and optimized for the Android device user

• Entry Editing Backspace Key – with a swipe of a finger (left - to - right)

• A complete User’s Guide is available free at www.calculated.com

DEDICATED FUNCTIONS:

• Speeds and Feeds - Calculate for Milling, Turning and Drilling; Spindle Speed (RPM), Feed Rate (IPM), Cut Speed, Cut Feed, Feed per Tooth, Number of Teeth and Radial Chip Thinning (RCT) adjustment factor with the Speeds and Feeds functionality

• Thread Size - Enter numeric, fractional or metric thread sizes and display tap, roll tap, close and free fit drill sizes. Display pitch, major and minor diameters

• Drill Point - Enter the cutting angle and Drill Size and calculate the Drill Point cut depth

• Drill Size - Enter numeric, letter, fractional or metric Drill Size and display the closest fitting Drill Size and scroll through available drill sizes

• 3-Wire Measure - Enter Wire Size (or use calculated Best Wire size) and 3-Wire Measurement to calculate pitch diameter

• Trigonometric Functions - Sine, Cosine, Tangent, Arcsine, Arccosine, Arctangent

• Right Triangle Math - Enter, calculate Angle, Hypotenuse, Opposite and Adjacent side lengths

• Bolt Pattern Hole Layouts - enter start angle, number of bolts, diameter and optional x, y offset; calculate x and y coordinates. Find center-to-center spacing for bolt pattern layouts

Additional Features:

• Thread Classification Tables

◦U.S.

- Internal (3) 1B, 2B, 3B

- External (3) 1A, 2A, 3A

◦Metric

- Internal (14) 3G-9G and 3H-9H

- External (28) 3g-9g, 3h-9h, 3e-9e, 3f-9f

• U.S. and Metric Unit Entries and Conversions

◦Decimal Inches/mils

◦Feet-Inch-Fractions

◦m, mm, cm

◦Area, Volume and Weight

• Works as a Standard Calculator

•Calculate for Milling, Turning, Drilling & much more.

TRADEMARKS:

Machinist Calc® is a registered trademark of Calculated Industries, Inc.

## Construction Master Pro

Two in one: the official Construction Master® Pro from Calculated Industries for your Android device includes two models: #4065 and #4080 (CM Pro with Trig).

Advanced Feet-Inch-Fraction Construction-Math Calculator by Calculated Industries for Carpenters, Builders & More, built with the same features and functions, and with the same core engine that powers the industry-standard advanced construction-math calculators from Calculated Industries. You’ll actually get two apps in one, since the Construction Master Pro for Android has all the functionality of the Construction Master Pro and the Construction Master Pro Trig -– and includes a full User’s Guide built in, as well as the ability to press and hold a key for specific help!

Ideal for Architects, Builders, Contractors, Designers, Draftspersons, Engineers, Framers/Carpenters and Tradesmen

Need to quickly and accurately calculate a construction problem when meeting with a client? Left your calculator in the truck? Just pull out your Android device, tap on the Construction Master Pro icon, and you’ll have an answer in seconds!

• You get ALL of the functionality of the handheld Construction Master Pro and Construction Master Pro Trig calculators in one powerful, easy-to-use app.

• Calculate tough construction-math problems and reduce errors on the jobsite or in the office.

• Reduce costly errors and save time and money. It will help you and your crew on every phase of your projects—estimating, bidding and building.

FEATURES:

• Created by Calculated Industries, the originator of the award-winning Construction Master calculators

• All the functionality and solutions of the handheld Construction Master calculators and optimized for the Android device user

• Entry Editing Backspace Key – with a swipe of a finger (left - to - right)

• A complete User’s Guide in English or Spanish is available free at www.calculated.com

• Full trigonometric function: sine, cosine, tangent, arcsine, arccosine and arctangent

• Powerful built-in solutions make it ideal for completing layouts, plans, bids and estimates

• Work in and convert between all building dimensional formats: feet-inch-fractions, inch fraction, yards, decimal feet (10ths, 100ths), decimal inches and metric (m, cm, mm)

• Built-in right angle functions simplify square-ups, rafters, slopes and more

BUILT-IN SOLUTIONS:

Dimensional Math and Conversions

• Feet-Inch-Fraction, Inch Fraction, Yards

• Decimal Feet (10ths, 100ths), Decimal Inches

• Preset Fraction Conversions (1/2" through 1/64")

• D:M:S, Decimal Degree Entry and Conversions

• Full Metric Conversion Function (m, cm, mm)

Right Angle Solutions

• Complete Right Angle/Rafter Calculations

• Pitch Key (Slope and Grade)

• Calculate Rise, Run, Diagonal/Common Rafters

• Hip/Valley Key

• Jack Rafters Key

• Irregular Hip/Valley and Jacks

• Calculate Rafter Cutting Angles (Plumb, Cheek and Level Cuts)

• Stair Layout Key

• Stair (Advanced Stair Calculations – Stair Riser Limit, Stairwell Opening, Headroom, Floor Thickness)

• Diagonal Key

• Expanded Rake-Wall

• Arched Rake-Wall

Area and Volume Solutions

• Square and Cubic

• Roof – Bundles, Squares, 4x8 Sheets, Pitch, Plan Area

• Drywall, Siding and Paneling 4x8, 4x9 and 4x12

• Column/Cone Area and Volume

• Basic Circular Calculations

• Advanced Circular Calculations

• Weight per Volume Conversions

• Length, Width and Height Keys

• Blocks, Footings

Special Functions

• Trigonometric Function Keys: Sine, Cosine, Tangent, Arcsine, Arccosine, Arctangent

• Calculate Board Feet

• Studs: Find number On-center

• User-Definable Preferences

• Cost per Unit (total costs based on unit price)

• Equal-Sided Polygon

• Compound Miters

• Crown Angle

• Paperless Tape

• 4 Memories

Ideal for Architects, Builders, Contractors, Building Designers, Draftspersons, Engineers, Framers/Carpenters and Tradesmen

TRADEMARKS:

Construction Master® is a registered trademark of Calculated Industries, Inc.

## GCC Pro - Donate Version

Eisbehr

1

The GeoCache Calculator is a comprehensive tool for every active cacher! It contains over 250 different functions to calculate values and checksums, as well as tables and overviews for supporting your outdoor geocaching search. A tool which no cacher should miss!

GCC was in many reviews, podcasts and tests on different geocaching sites. The feedback was allways really good. The ratings at the market emphasize this. So, give GCC a try! :)

You will find the full feature list and changelog on:

http://gcc.eisbehr.de

Info:

The "GCC donate version" is exactly the same, like the free version. You just support the developer with a donation!

Functions:

ADFG(V)X (en-/decrypt)

Affine

Alpha Numeric

ASCII Converter

Astro

- Sun/Moon Rise/Set

- Easter Date

- Easter Years

- Seasons

- Shadow Calculator

Atbash

Bacon (en-/decode)

Base16, 32, 64, 85 (en-/decode)

Brainfuck/Ook

Caesar (en-/decrypt)

Colors:

- CMY, CMYK, HEX, HSL, HSV, RGB, YIQ, YUV, YCBCR

Coordinates

- Bearing

- Converter

- Distance

- Geohash

- Intersection Bearing

- Intersection Distance/Radius (two&three)

- Intersection Circle

- Intersection Lines

- Midpoint

- Projection

Cross Total

- A=1/Z=26

- A=26/Z=1

- interated

- alternating

- sum

- product

Deadfish (en-/decrypt)

DNA

e (Eulers number)

Enigma

Formula Solver

- own formulas and values

- many mathematical functions

Gade

GC Base 31 (en-/decode)

Hashes

- BKDR

- DEK

- DJB

- ELF

- FNV

- MD2

- MD4

- MD5

- PJW

- RIPEMD-128

- RIPEMD-160

- SDBM

- SHA-1 160, 254, 384, 512

- SHA-3 224, 254, 384, 512

- Tiger

- Whirlpool

- ...

Heatindex

Hint (en-/decode)

Kamasutra (en-/decrypt)

Kenny's Code (en-/decrypt)

Morse Code Translator

myGEOtools

- Alchemical Symbols

- Ancient Egyptian Numbers

- Antiker

- Arcadian

- Atbash / Caesar

- ATH-Code

- Bacon's cipher

- Baudot

- Blox

- Brahmi

- Chappe-Code (optical Telegraph)

- Cherokee

- Cirth

- Code-Sun (mRNA)

- Colorhoney

- ColorTokki

- Daedric

- Dagger

- Decabit

- Dragon Runes

- Color Codes

- Finger Alphabet

- Flag Alphabet

- Fonic

- Freemasons Code

- Futurama

- Glagolitic

- Glagolitic Numerals

- Gargish

- Genreich

- Greek Numerals

- Lucky Numbers

- Gnommish

- Hexahue

- Hieratic Numbers

- HVD

- Hylian

- Hymmnos

- Intergalactic Code

- Indian Numerals

- Japanese Numerals

- Klingon Language

- Krypton Language

- Magicode

- Marain

- Matoran

- Mathematics and Physics Constants

- Maya

- Maze

- Modern Hylian

- Moonalphabet

- Musical Notation System

- Ogam

- Periodic System

- Punisch

- Pipeline 3D

- Pixel Code

- Polybios Cipher

- POSTNET and PLANET

- Puzzle Code

- Reality

- Romulan

- Sarati

- Segment Displays

- Sexagesimal System

- Spintype Alphabet

- Sunúz

- Tenctonese

- Tom Tom

- Ulog

- Utopian Code

- Visitor

- Semaphore

- Yán-Koryáni

- Gypsy Signs

- Babylonian Numbers

- Barbier Alphabeth

- 8-Point Braille

- Deafblind

- Fakoo

- Sign Writing

- Greek Alphabet

- Lorm Alphabet

- Nießen Alphabet

- Quadoo

- Cyrillic

- Shutter Telegraph

- Enochian Alphabet

- Space Invaders

- Dancing Man Code

- Templar

- DTMF/MFV Signals

Numeric Systems

- Converter

- Base

- Table

- Negate Bases

- Floating Point Numbers

One Time Pad

Periodic System of Elements

Permutations

Phone Keys

- Phone Number

- Vanity Code

- Input Keys

Phi (Golden Ratio)

Pi (Π)

Playfair (en-/decrypt)

Polybios (en-/decrypt)

Prime Numbers

- Number

- Nearest

- Position

- Is Prim

- Prime Factors

Projectile

Rail Fence (en-/decrypt)

Resistor Color Code Calculator (4-Ring/5-Ring)

Reverse

Roman Numeral

- Translator

- Chronogram

ROT5,13,18,47

Rotation

RSA

- En-/Decrypt

- 'E' Check

- 'D', 'N', 'φ' Calculator

- Prime Number Check

Skytale (en-/decrypt)

Solitaire (en-/decrypt)

Substitution

Tap Code (en-/decrypt)

Tapir (en-/decrypt)

Vigenère

Windchill

Zuse Z22/CCIT2 (en-/decrypt)

Features:

- Four Themes

- Three Font Sizes

- Six Charsets

- Dynamic User-Interface

- English and german translation

- Fully integration of myGEOtools

- Complete offline usage

- No permissions on the device needed

- App 2 SD

- Tablet Ready

- Two Widgets

- Function Search

## Speaker Box Designer

Speaker Box Designer is the app for designing the boxes for your loudspeaker drivers. The app will size the box (calculate the box volume to match your driver), calculate the port length (if you want one) and will also plot the frequency response of the finished design.

You can design Closed (Sealed), Ported or 4th Order Bandpass enclosure designs. The sealed design is the simplest to construct, the ported design gives an improved bass response and the 4th Order Bandpass design is great for sub-woofers.

To use the app, enter the details about your driver and the type of box you would like to use. The details about the driver (the Thiele-Small Parameters) can be obtained from the driver’s data sheet, the supplier’s catalogue or from the internet. If you select a Ported or 4th Order Bandpass design, you can also set the port diameter. The app will then calculate the box size for you and you can plot its frequency response.

The app works with both metric and imperial (English) units.

I have been asked by a number of people why the app doesn't calculate the box dimensions from the calculated volume. The reason is that there isn't just one possible solution - in theory you could have any shape box you like. However, to be helpful, I do recommend that your box has the 'Golden Mean Rectangle' proportions of 0.618:1:1.618 as these are considered by many to be the optimum shape for the acoustics (a cube is certainly the worst shape acoustically). You can calculate the INTERNAL box dimensions with the following formulae:

First find the cube root of the desired box volume, we will call this r3V

For Box Volume in cubic inches:

L = r3v * 1.618 (answer is in inches)

W = r3v * 1.0 (answer is in inches)

H = r3v * 0.618 (answer is in inches)

For Box Volume in l:

L = r3v * 0.1618 (answer is in m)

W = r3v * 0.1 (answer is in m)

H = r3v * 0.0618 (answer is in m)

________________________________

If you have a small screen, you may need to scroll down the page to see the calculation results. This program performs a number of calculations including Box Volume, Box Resonant Frequency, Minimum Port diameter and Port Length - these can be seen in the fourth screen shot. Be sure to enter your data correctly, as if you make mistakes, you might incorrectly think that part of the app (such as the ported calculation) is not working correctly.

If you have any problems it is much more productive to email me before leaving a negative comment, as then I can do someting to fix the problem.

## Scientific Calculator Dx

Scientific Calculator Dx is a professional scientific and graphics calculator with many useful features. In addition to the classic functions of a scientific calculator this application is also able to calculate complex mathematical expressions and to design, simplify, solve and find derivatives up to N order and plot functions.

Scientific Calculator Dx can be used also to convert numeric base (hex, bin and dec).

The application also uses the accelerometer (in addition to normal "OK" button) to show the result on the screen (just shake your device).

Many other useful functions will be added soon.

Scientific Calculator Dx can be used also to convert numeric base (hex, bin and dec).

The application also uses the accelerometer (in addition to normal "OK" button) to show the result on the screen (just shake your device).

Many other useful functions will be added soon.

## GC-Codec

mannac

1

This is a utility app for geocache owners to create the Signature for the electronic log book. So far geocaches have been logged by writing the username into a little log book that was contained in the geocache container. This new idea of logging replaces the paper booklet by sending an SMS to the owner instead. The geocache container contains a little printout of a QR code instead of the log book. The QR code contains all necessary information to create the SMS. This app is used to create a electronic signature that is part of the QR string.

How to create the Signature with the GC-Codec App:

1) Enter your phonenumber with country code ("+4365012345678") in the field "Enter raw text" without ("")

2) Enter the GC code ("GC12345") as listed on the geocache website in the field "Enter key" without ("")

As result you get the Signature which is then used as last part for creating the QR code with the QR code generator.

How to create the Signature with the GC-Codec App:

1) Enter your phonenumber with country code ("+4365012345678") in the field "Enter raw text" without ("")

2) Enter the GC code ("GC12345") as listed on the geocache website in the field "Enter key" without ("")

As result you get the Signature which is then used as last part for creating the QR code with the QR code generator.

How to create the QR code with the QR code generator:

The QR string to be entered in the QR code generator contains following information:

GC code,GC name,Latitude,Longitude,Signature

1) Use a QR code generator (http://goqr.me/de/)

2) The QR code must contain following fields separated by commas without spaces around the commas and without (""):

a) GC code ("GC12345"), as listed on the geocache website

b) GC name ("The name of your GC"), as listed on the geocache website

c) Latitude ("N(S)DD:MM.MMM") as listed on the geocache website, attention the degree sign must be replaced by the colon

d) Longitude ("E(W)DD:MM.MMM") as listed on the geocache website, attention the degree sign must be replaced by the colon

e) Signature ("C12..") the code generated with this app

As an example the entry in the QR code generator should look like this:

GC12345,The name of your GC,N47:14.562,E9:35.667,1CEF234784860EDA

Summary:

Signature = Phonenumber + GC code

QR String = GC code,GC name,Latitude,Longitude,Signature

Apps needed for QR code:

Signature: GC-Codec

QR graphic: QR code generator

How to verify the received SMS:

The SMS sent to the owner has following fields:

GC code,GC name,Username,Signature

The Signature can also be checked with this app, by entering the username in the field "Enter raw text:" and by entering the GC code in the field "Enter key:". The signature generated should match the signature received.

Note:

In order to log geocaches with this new system the app GC-Logger is required.

## Scientific Calculator

KJMJ LLC

1

This program is design for tablets and phone users!

It can evaluate any mathematical expression of any length and complexity that has real or complex numbers. Expressions can be entered in editor text box (IOD) and then edited in the middle of the string on any line. The calculation execution can be performed from any line in Input Output Display (IOD). Recognizes 16 operators, over 60 basic functions that are calculated in complex numbers, and 85 mathematical and physical constants (e.g. "trigonometric, hyperbolic, logarithmic functions and there invers", "probability functions", "beta function", "gamma function", "error functions", and more special functions, "logical operators like exclusive or (XOR)", "Planck's constant", "atomic mass constant", "Avogadro's number",...). Evaluates calculation error for any function or expression. Displays calculation results in selected Sig Fig notation. Converts between binary, octal, decimal, and hexadecimal number systems. Performs arithmetic and logical operations on any number systems ("and", "or", "exclusive or", "not", "shift"). Executes trigonometric function calculations in radians, degrees, or gradients. The value of the last calculation computed is automatically stored in an "arg" variable, which is then ready for use in the next operation. Results from any calculation can be stored in the memory entry for future use. There is no limitation on the number of memories that can be stored. If a user makes an unsupported entry during the operation of this software, the calculator will generate an error message and explanation. The help is built in to the calculator and available on line.

It can evaluate any mathematical expression of any length and complexity that has real or complex numbers. Expressions can be entered in editor text box (IOD) and then edited in the middle of the string on any line. The calculation execution can be performed from any line in Input Output Display (IOD). Recognizes 16 operators, over 60 basic functions that are calculated in complex numbers, and 85 mathematical and physical constants (e.g. "trigonometric, hyperbolic, logarithmic functions and there invers", "probability functions", "beta function", "gamma function", "error functions", and more special functions, "logical operators like exclusive or (XOR)", "Planck's constant", "atomic mass constant", "Avogadro's number",...). Evaluates calculation error for any function or expression. Displays calculation results in selected Sig Fig notation. Converts between binary, octal, decimal, and hexadecimal number systems. Performs arithmetic and logical operations on any number systems ("and", "or", "exclusive or", "not", "shift"). Executes trigonometric function calculations in radians, degrees, or gradients. The value of the last calculation computed is automatically stored in an "arg" variable, which is then ready for use in the next operation. Results from any calculation can be stored in the memory entry for future use. There is no limitation on the number of memories that can be stored. If a user makes an unsupported entry during the operation of this software, the calculator will generate an error message and explanation. The help is built in to the calculator and available on line.

Option menu/Settings:

- Screen On – Keep screen on when calculator is in use

- Text Display – Font Size

- Decimal separator selection (dot vs. comma),

- Schema selection

- Display Calculation error

- Haptic Feedback –vibration

You can review our response to User Reviews at http://mathinone.com/calculator/help/comments.php

For more details visit us at http://mathinone.com.

## Graphulator Graphic Calculator

Graphulator is a numerical graphing calculator for 2 or 3 variable equations. Plot both functions and non-functions. Includes data output! Now includes numerical calculus.

Scientific calculator.

Trigonometry.

Logarithms.

Absolute values.

Scientific notation.

Basic Calculator.

Function calculator.

Two variable calculator.

Three variable calculator.

Drag grid or use controls to move or change the scale.

Drag three variable grid to rotate.

Graphulator can miss non-functions 1/15 the grid scale. The user can adjust the accuracy or change the grid scale including adjusting the width and height independently.

Changing the accuracy requires upgrade.

Graphulator boasts being the only calculator which can perform calculus on non-functions numerically (equations which cannot be reduced to a function). It should be noted that these derivatives differ from standard calculus.

Graphulator boasts being the only numerical calculator which can plot three variable non-functions.

(Equations of the form f(xyz) = f(xyz)).

If you believe either of these claims to be untrue, let us know (contact@Graphulator.com).

## Advanced Calculator

Advanced Calculator is a tool that everyone should own. Offering features such as large buttons suited for easy use on both small and large screens coupled with its amazing ability to perform calculation in a variety of areas without the need for special training to use them, this is the perfect tool for anyone and everyone.

Features:

- Landscape Layout

- Real Numbers, Complex Numbers, Tessarines (bi-complex numbers) and Matrices

- Degrees, Radians, Gradians

- Scientific and Engineers Notation (+ a Default Setting)

- Significant Figures limited ONLY by available memory

- Changeable Background Theme

- Changeable Text Color

- Systems Variables (e.g. π, e, h …)

- Store as many variables as you want

- Generate random numbers (between 0 and 1)

- Large Buttons

- Offline Help with search interface

Supported Operations and Functions:

Basic Operations: +, -, ×, ÷, !, ^, √, %

Common Functions: nPk,nCk, abs, ran#

Matrix Operations and Functions: adj, det, tr, diag, transpose, inverse

Complex Number Functions: arg, cis, conj, re, im

Logarithmic Functions: ln, log, lb

Trigonometric Functions: sin, cos, tan, csc, sec, cot

Inverse Trigonometric Functions: sin-1, cos-1, tan-1, csc-1, sec-1, cot-1, atan2

Hyperbolic Functions: sinh, cosh, tanh, csch, sech, coth

Inverse Hyperbolic Functions: sinh-1, cosh-1, tanh-1, csch-1, sech-1, coth-1

## GC-Logger

mannac

1

This app is used to log geocaches that provide the feature of electronic logging. The logging is done by scanning a QR code that is in the geocache container and sending a SMS to the owner of the geocache. An entry in the paper log book is not necessary any more. Usage: Start the app so that it has enough time to obtain a GPS fix. Find a geocache which provides the feature of an electronic log book. Scan the QR code that is somewhere in the geocache container by pressing "Scan QR". You should see the data of the geocache when the scan is successful. Now enter your username, password and log entry. Log the geocache by pressing "Log GC". After this an SMS will be sent to the owner of the geocache and your log text will appear on the website.

In order to create an electronic log book for geocaches owned by you, you need the app GC-Codec and a QR code generator.

In order to create an electronic log book for geocaches owned by you, you need the app GC-Codec and a QR code generator.

## GeoCalc

GeoCalc calculates geographic coordinates for the next point given a starting point, azimuth and distance. You may also calculate azimuth and distance between two given points.

GaoCalc may be used for roadbook offroad racing, hiking, orienteering, geocaching, questing, for education, or anyone needing to calculate bearings and distances between coordinates.

Calculations are performed using an accurate ellipsoidal model of the Earth's surface.

FEATURES

- Calculate coordinate of a point, given a start point, azimuth and distance

- Calculate azimuth and distance between two points

- Show calculated point on map

- Use coordinates from current GPS position

- Set calculated point as start point for quick consecutive calculations (continually enter only azimuth and distance)

- Use either decimals or DMS (degrees, minutes, seconds) for coordinates

- Use metric or US/imperial units

- Various geodetic datums available (WGS84, GRS80, NAD27, SAD69 and ED50)

- Optionally save all calculated coordinates

- Send calculated coordinates to e-mail

- Available in English, Italian, Spanish, Slovenian and Croatian language

# More from developer

## Scientific Calculator

KJMJ LLC

1

This program is design for tablets and phone users!

It can evaluate any mathematical expression of any length and complexity that has real or complex numbers. Expressions can be entered in editor text box (IOD) and then edited in the middle of the string on any line. The calculation execution can be performed from any line in Input Output Display (IOD). Recognizes 16 operators, over 60 basic functions that are calculated in complex numbers, and 85 mathematical and physical constants (e.g. "trigonometric, hyperbolic, logarithmic functions and there invers", "probability functions", "beta function", "gamma function", "error functions", and more special functions, "logical operators like exclusive or (XOR)", "Planck's constant", "atomic mass constant", "Avogadro's number",...). Evaluates calculation error for any function or expression. Displays calculation results in selected Sig Fig notation. Converts between binary, octal, decimal, and hexadecimal number systems. Performs arithmetic and logical operations on any number systems ("and", "or", "exclusive or", "not", "shift"). Executes trigonometric function calculations in radians, degrees, or gradients. The value of the last calculation computed is automatically stored in an "arg" variable, which is then ready for use in the next operation. Results from any calculation can be stored in the memory entry for future use. There is no limitation on the number of memories that can be stored. If a user makes an unsupported entry during the operation of this software, the calculator will generate an error message and explanation. The help is built in to the calculator and available on line.

It can evaluate any mathematical expression of any length and complexity that has real or complex numbers. Expressions can be entered in editor text box (IOD) and then edited in the middle of the string on any line. The calculation execution can be performed from any line in Input Output Display (IOD). Recognizes 16 operators, over 60 basic functions that are calculated in complex numbers, and 85 mathematical and physical constants (e.g. "trigonometric, hyperbolic, logarithmic functions and there invers", "probability functions", "beta function", "gamma function", "error functions", and more special functions, "logical operators like exclusive or (XOR)", "Planck's constant", "atomic mass constant", "Avogadro's number",...). Evaluates calculation error for any function or expression. Displays calculation results in selected Sig Fig notation. Converts between binary, octal, decimal, and hexadecimal number systems. Performs arithmetic and logical operations on any number systems ("and", "or", "exclusive or", "not", "shift"). Executes trigonometric function calculations in radians, degrees, or gradients. The value of the last calculation computed is automatically stored in an "arg" variable, which is then ready for use in the next operation. Results from any calculation can be stored in the memory entry for future use. There is no limitation on the number of memories that can be stored. If a user makes an unsupported entry during the operation of this software, the calculator will generate an error message and explanation. The help is built in to the calculator and available on line.

Option menu/Settings:

- Screen On – Keep screen on when calculator is in use

- Text Display – Font Size

- Decimal separator selection (dot vs. comma),

- Schema selection

- Display Calculation error

- Haptic Feedback –vibration

You can review our response to User Reviews at http://mathinone.com/calculator/help/comments.php

For more details visit us at http://mathinone.com.

## Programmable Graph Calculator

KJMJ LLC

1

The Math in One Version PG- 3.02 Programmable Graphing calculator is one of the most comprehensive calculators on the market and with its many unique features, it will be sure to meet almost all of your needs. To allow users to define their own personalized functions, this calculator has a built in programming language that can perform, recursion, loops, conditional statements, and selections. Users can also define arrays/vectors; and there are over 25 built-in array/vector functions/applications such as best fit scatter plots (new v PG-3.02), eigenvalues eigenvectors, inverses, solving n-linear equations that can be used. This calculator has a brand new face design for your easy use with the ability to warp its dimensions to any size on any device (phone, tablet). For your convenience, every key/button in the calculator has a description (press key for one second) that includes the definitions of functions, examples of how to use an operator/function/technique, and explanations of abbreviations. To help users easily explore this calculator’s extensive capabilities, there are many built in “Help Explanations” on the device as well as on our website at http://mathinone.com/calculator/help/overviewN.php. For your future reference, Math in One v3.0 can also save arrays, programs, graphs, expressions, and solutions to the calculator’s memory in the text files format (graphing in png file).

Math in One Version PG-3.x contains all features of its predecessor v GC-2.x in a new and improved format. It still includes a list of over 85 constants (such as Planck’s time and the atomic mass constant) and over 100 functions (from logarithmic and hyperbolic functions to various probability-distribution functions like gamma and beta functions) . In addition to its ability to evaluate a mathematical expression- of any length and complexity that includes real or complex numbers and can incorporate logical operators, it has a Unit Converter with over 19 categories of units of measurements and 20 SI prefixes and the capacity to perform Financial Analyses (savings, loans, bonds). For your many graphing needs, this calculator can display multiple plots at once in Cartesian or polar coordinates for expressions that include parametric equations. You can easily find the zeros, minimums, maximums, tangents, and first/second derivatives of your graphs as well as the intersections of your graphs or the area bounded by up to three functions. Up to 9th order derivatives can be calculated in addition to integrals. This calculator can also display the calculation error of any function or expression in the Significant Figure notation you choose. Examples of its other unique capabilities include its capacity to convert between binary, octal, decimal, and hexadecimal number systems, and it can execute trigonometric function calculations in radians, degrees, or gradients. If a user makes an unsupported entry during the operation of this software, the calculator will generate an error message and explanation.

For more details, please visit us at http://mathinone.com.

Math in One Version PG-3.x contains all features of its predecessor v GC-2.x in a new and improved format. It still includes a list of over 85 constants (such as Planck’s time and the atomic mass constant) and over 100 functions (from logarithmic and hyperbolic functions to various probability-distribution functions like gamma and beta functions) . In addition to its ability to evaluate a mathematical expression- of any length and complexity that includes real or complex numbers and can incorporate logical operators, it has a Unit Converter with over 19 categories of units of measurements and 20 SI prefixes and the capacity to perform Financial Analyses (savings, loans, bonds). For your many graphing needs, this calculator can display multiple plots at once in Cartesian or polar coordinates for expressions that include parametric equations. You can easily find the zeros, minimums, maximums, tangents, and first/second derivatives of your graphs as well as the intersections of your graphs or the area bounded by up to three functions. Up to 9th order derivatives can be calculated in addition to integrals. This calculator can also display the calculation error of any function or expression in the Significant Figure notation you choose. Examples of its other unique capabilities include its capacity to convert between binary, octal, decimal, and hexadecimal number systems, and it can execute trigonometric function calculations in radians, degrees, or gradients. If a user makes an unsupported entry during the operation of this software, the calculator will generate an error message and explanation.

For more details, please visit us at http://mathinone.com.