Calculator ++

Sergey Solovyev

- November 12, 2013

1

Listen Read Device Only Added Installed Loading device compatibility...

Offers in-app purchases

(15,488)

Description

Calculator++ is an advanced, modern and easy to use scientific calculator #1.

Calculator++ helps you to do basic and advanced calculations on your mobile device.

Calculator++ helps you to do basic and advanced calculations on your mobile device.

Discuss Calculator++ on Facebook: http://facebook.com/calculatorpp

IMPORTANT:

1. Always check angle units and numeral bases: trigonometric functions, integration and complex number computation work only for RAD!!!

2. Application contains ads! If you want to remove them purchase special option from application settings. Internet access permission is needed only for showing the ads. ADS ARE ONLY SHOWN ON THE SECONDARY SCREENS! If internet is off - there are no ads!

Features:

++ easy to use

++ home screen widget

+ no need to press equals button any more - the result is calculated automatically

+ smart cursor positioning

+ copy/paste in one button

+ landscape/portrait orientations

++ drag buttons up or down to use special functions, operators etc

++ modern interface with possibility to choose themes

+ highlighting of expressions

+ history with all previous calculations and undo/redo buttons

++ variables and constants support (build-in and user defined)

++ complex number computations

+ support for a huge variety of functions

++ expression simplification: use 'identical to' sign (≡) to simplify current expression (2/3+5/9≡11/9, √(8)≡2√(2))

+ support for Android 1.6 and higher

+ open source

NOTE ABOUT INTERNET ACCESS: Calculator++ (version 1.2.24) contains advertisement which requires internet access. To get rid of it - purchase a version without ads (can be done from application's preferences).

FAQ

How can I get rid of the ads?

You can do it by purchasing the special option in the main application preferences.

Why Calculator++ needs INTERNET permission?

Currently application needs such permission only for one purpose - to show ads. If you buy the special option C++ will never use your internet connection.

How can I use functions written in the top right and bottom right corners of the button?

Push the button and slide lightly up or down. Depending on value showed on the button action will occur.

How can I toggle between radians and degrees?

To toggle between different angle units you can either change appropriate option in application settings or use the toggle switch located on the 6 button (current value is lighted with yellow color).

Also you can use deg() and rad() functions and ° operator to convert degrees to radians and vice versa.

Examples:

268° = 4.67748

30.21° = 0.52726

rad(30, 21, 0) = 0.52726

deg(4.67748) = 268

Does C++ support %?

Yes, % function can be found in the top right corner of / button.

Examples:

100 + 50% = 150

100 * 50% = 50

100 + 100 * 50% * 50% = 125

100 + (100 * 50% * (25 + 25)% + 100%) = 150

Note:

100 + (20 + 20)% = 140, but 100+ (20% + 20%) = 124.0

100 + 50% ^ 2 = 2600, but 100 + 50 ^ 2% = 101.08

Does C++ support fractional calculations?

Yes, you can type your fractional expression in the editor and use ≡ (in the top right corner of = button). Also you can use ≡ to simplify expression.

Examples:

2/3 + 5/9 ≡ 11/9

2/9 + 3/123 ≡ 91/369

(6-t) ^ 3 ≡ 216 - 108t + 18t ^ 2 - t ^ 3

Does C++ support complex calculations?

Yes, just enter complex expression (using i or √(-1) as imaginary number). ONLY IN RAD MODE!

Examples:

(2i + 1) ^ = -3 + 4i

e ^ i = 0.5403 + 0.84147i

Can C++ plot graph of the function?

Yes, type expression which contains 1 undefined variable (e.g. cos(t)) and click on the result. In the context menu choose 'Plot graph'.

Does C++ support matrix calculations?

No, it doesn't

Keywords: calculator++ calculator ++ engineer calculator, scientific calculator, integration, differentiation, derivative, mathematica, math, maths, mathematics, matlab, mathcad, percent, percentage, complex numbers, plotting graphs, graph plot, plotter, calculation, symbolic calculations, widget

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# Reviews

Helpfulness

Newest

Rating

Helpfulness

All Versions

All Versions

Latest Version

4.6

15,488 total

5 12,143

4 1,869

3 662

2 282

1 532

Jeffrey Wang

Confusing for me I tried to use this calculator for Algebra 2. Way too advanced for me. Can't even figure out how to calculate zeroes....

Darek Stojaczyk

Absolutely amazing Calculator no.1. Its so smooth, so fast and so intuitive that I give 5 stars. I personally dont use calculator in small window mode, but its a great feature too. Thank you for that!

Pierre VIOLENT

Almost impossible to use Can't enter 2nd function 50% of the time, regardless of speed or distance or waiting time for slide movement, just frustrating and virtually unusable. Nice idea, but bad implementation. Some functions just don't work, for instance ∏(1+1/x, x, 1, 20) only evaluates up to 10 factors, beyond it's stuck...

Lucien Foss

Good The button are a bit finicky, Mich room for interface and functionality improvement. Finding simple things like the roots should be easier.

Sergio Quintela

Best of its kind, kudos for the developper Has tons of functions & features, very useful for statistics supporting copy paste. App is always improving, now plots in 3d and more. Great!

Mhd. Nasrullah Annuar

Critical review Hi, first of all the apps is very good when compared to the others. I almost going to buy this app. But i have a few questions and suggestions. 1. How does the equation generates the graph? I can put the equation of x^2. But i can't put y^3=x+5. Putting '=' will cause error. 2. There's no solving function for equation. We give the equation and put value to x and y, then we can find the value. 3. Could you compile a help fild inside the app? It would be very helpful. Thanks! Looking forward for updates.

User reviews

One of the best free calculators! The window mode is by far one of the coolest things I've seen on a calculator app. The buttons are a great idea, but in practice I believe they do not work as well as you intend, and I would rather have multiple pages to flip through where each page has a different purpose, like the default android calculator. The 3D graphing is quite fast; however, I wish there was some way to scale the speed of the rotation. Finally, the app does take time to get used to, but it is the best calculator app out there.

Best Calculator for School The ability to solve complex math and simplify expressions makes this killer. Better than RealCalc and much faster than using WolframAlpha. Learning curve is easy enough for all the functionality it offers. Recommended to all my engineering peers (but turn off scientific notation, rather annoying)

Very good, comprehensive app. It has many great, easy-to-use features! The ads aren't too bothersome. The loading time for 3d graphs isn't bad! I'm a fan! I've only used some of the features, but I haven't encountered a bug yet! It's free - why not try it to see what you think? Only downside for me is that the 3D is obeys the left hand rule only. Edit: The other things I'd like it to have that this app lacks are big number calculation and simplified fraction support. I haven't found those functions yet. Great app!

Great calculator! However... The only thing that really holds this calculator back for me is that it doesn't have keyboard support for my tablet. I usually use another program that supports keyboards because typing the functions out is much faster and easier than finding their buttons on a screen. This program is overall nicer and can compute more; which is why I really hope keyboard support gets added. :)

What's New

Graph plotter completely reworked

Added support for graphing several functions

Added 3D graphing capability

Added support for graph screenshots

Fixed issues with user defined functions

Other fixes

Additional information

Updated

November 12, 2013

Size

2.3M

Installs

1,000,000 - 5,000,000

Current Version

2.0.1

Requires Android

1.6 and up

Content Rating

Everyone

Contact Developer

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Listen Read Device Only Added Installed A calculator with 10 computing modes in one application + a handy scientific reference facility - different modes allow: 1) basic arithmetic (both decimals and fractions), 2) scientific calculations, 3) hex, oct & bin format calculations, 4) graphing applications, 5) matrices, 6) complex numbers, 7) quick formulas (including the ability to create custom formulas), 8) quick conversions, 9) solving algebraic equations & 10) time calculations.

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* Constants - a wide range of inbuilt constants listed in 4 categories:

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2) Periodic Table - a full listing of the periodic table - press to input an element's atomic mass into a calculation or long press for more information on the chosen element - the app also includes a clickable, pictorial representation of the periodic table

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* Fractions Mode for general arithmetic functions including use of parentheses, squares, cubes and their roots

* 20 Memory Registers in each of the calculation modes

* A complete record of each calculation is stored in the calculation history, the result of which can be used in future calculations

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A default screen layout is available for each function showing all buttons on one screen or, alternatively, all the functions are also available on a range of scrollable layouts which are more suitable for small screens - output can be set to scroll either vertically (the default) or horizontally as preferred – output font size can be increased or decreased by long pressing the + or - buttons

A full range of settings allow easy customisation - move to SD for 2.2+ users

Please email any questions that are not answered in the help section or any requests for bug fixes, changes or extensions regarding the functions of the calculator - glad to help wherever possible.

This is an ad-supported app - an ad-free paid version is also available for a nominal US$ 0.99 - please search for Scientific Calculator (adfree)

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Listen Read Device Only Added Installed ## Calculator Plus Free

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I love saving you time and effort. I remember everything you calculate, and let you review it anytime, making me perfect for shopping, doing homework, balancing checkbooks, or even calculating taxes. And if you quit the calculator and go do something else, it's all still here when you come back. You'll never need to type the same calculation twice again.

I'm attractive and effective and I make great use of your big, beautiful display:

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Let Calculator Plus and your phone or tablet finally put that handheld calculator to rest!

This is an ad supported version - our ad-free version is also available.

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Listen Read Device Only Added Installed ## MyScript Calculator

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Listen Read Device Only Added Installed With MyScript© Calculator, perform mathematical operations naturally using your handwriting.

Specially designed for Android devices.

Specially designed for Android devices.

Easy, simple and intuitive, just write the mathematical expression on the screen then let MyScript technology perform its magic converting symbols and numbers to digital text and delivering the result in real time.

The same experience as writing on paper with the advantages of a digital device (Scratch-outs, results in real time, …).

Solve mathematical equations by hand without actually having to crunch the numbers yourself

BENEFITS AND FEATURES

- Works on your smartphone (Use your finger or a capacitive stylus with your android phone (Samsung Galaxy phones, HTC, Motorola, Sony Xperia, LG Optimus and others)

- Works on your tablet (Take advantage of the S-Pen with your Galaxy Note, or use any capacitive pen with your Galaxy Tab family of tablets, HTC flyer, Lenovo Thinkpad, Asus transformer and others)

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Powers/Exponentials: ℯx, xy , x2

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*** IMPORTANT: If you wish to report a problem encountered with MyScript Calculator, or simply ask a question to Vision Objects, don’t use the application feedback space as it’s impossible for us to answer there.

Support website: http://myscriptsupport.visionobjects.com

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Note about permissions:

We are asking permission to access Internet connection; this is to provide users the possibility to watch the video tutorial.

Future releases:

We are taking note of all your remarks and comments, many of you are asking us for equations, you can visit our web demo page, a web equation demo will show to you what we are planning to add in the future, visit:

Equation web demo:

http://webdemo.visionobjects.co/equation.html?locale=default

Handwriting recognition web demos:

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Listen Read Device Only Added Installed ## Shake Calc - Calculator

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* If you want data size conversions in multiples of 1024, use kibibytes, mebibytes, gibibytes, etc - see en.wikipedia.org/wiki/Kibibyte.

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-Same effects on button click as iOS

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Tip

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-long press backspace to clear the primary strip

More features coming soon with future updates

Leave us with a review which will help us enhance the app even more.

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Scalea software

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* Real equation view editor with brackets and operator priority support

* Component or polar complex entry/view mode

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* Advertisement free!

Would you like to have multiline equation editor with equation syntax hightiting, actual bracket highlighting and trigonometric functions of complex argument support? Upgrade to PowerCalc Pro.

* Multiline equation editor

* Equation syntax highliting

* Actual bracket highliting

* Trigonometric functions with complex argument support

Stay tuned! We are preparing new functionalities:

* Unit conversions

* Radix modes

* Help

Found bug? Please contact us to fix it.

If you find PowerCalc useful please upgrade to PowerCalc Pro to support further development. Thank you!

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Listen Read Device Only Added Installed ## scientific calculator

North Hills Numerical

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Listen Read Device Only Added Installed NHN-1 is a free advanced engineering and scientific calculator with a transparent widget that has fractions and percentage:

•A resizeable widget with arithmetic, percentage button, and fractions.

•Expression (formula) based input.

•Fraction input and output with conversion to proper fraction, mixed fraction and decimal. Even the quadratic or cubic root functions, for instance, will return fractions when the answer can be written as a fraction.

•Full history with buttons that load old results, in case you need to start over from a previous point.

•Unlimited memory slots that can be named and are always displayed on screen.

•Multiple input fields except on small phones. This let's you do short side calculations without losing your place.

•Pre-packaged functions for quadratic equations as well as many geometric formulae.

•Buttons that store user defined functions that are created by binding an argument to a binary operator.

•Visualization of multivalued complex functions (roots, inverse trigonometric, logarithm)

•Visualization of quadratic and cubic functions

•Visualization of angles returned from inverse trigonometric functions.

•Complex numbers are very easy to work with, and all functions work with complex numbers where they are defined (inverse hyperbolic cosine, for instance).

•There is a fourth layout for small phones that is not shown in the screen shots.

•A unit conversion utility that lets you build arbitrary composite units. Conversion factors are written to the history, so you can bind the factor with multiplication to do the same conversion many times.

The layouts are designed to be ergonomic for each of four device sizes in portrait and landscape. Here are some examples of what we've done to make the calculator easy and speedy to work with:

•On small tablets in landscape, the keys are split so you can operate the calculator with two thumbs.

•On small phones, the numeric keypad is right under your thumb when holding the device with one hand.

•Square root, square, inverse and negation are all close to the numeric keypad.

•On small tablets, the long "NHN-1" button is a gesture recognizer that lets you scroll the six input fields with your left thumb. That way you don't have to let go of the device with your right hand to click an input field.

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Digitalchemy, LLC

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I'm attractive and effective and I make great use of either a phone or tablet display:

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- My innovative triple keypad display lets you type fast! (entering three and three quarters takes just 3 taps!).

- Every fraction result gets automatically reduced to its simplest form to make your job easy.

- NEW! Every result is also shown in decimal to make conversion a breeze.

- It couldn't be easier to add, subtract, multiply, and divide fractions.

Let Fraction Calculator Plus turn your phone or tablet into an everyday helping hand.

This is an ad supported version - our ad-free version is also available.

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Tim O's Studios

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Listen Read Device Only Added Installed A simple calculator with big buttons, large display and four basic functions: addition, subtraction, multiplication and division. All you really need in a calculator. No wasted space for functions you never use.

Simplify your life with this calculator app. Save time doing math homework, paying bills, adding up tips, resolving finances, and calculating your loan and mortgage payments.

Calculator features:

-Basic arithmetic (add, subtract, multiply, divide)

-Large buttons

-Supports tablets and smart phones

-Clear plus All Clear functionality

-Saves last calculation upon reopening calculator

-Calculates in order of input

-Free app

-Small app size

-Small ads at the top

-Formatted results (i.e. 5,152,225.32)

Download now and see the greatness of this basic calculator for free. No glasses needed.

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Listen Read Device Only Added Installed ## Graphing Calculator

Herbert Law

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Listen Read Device Only Added Installed I believe every student in the world should have free access to graphing calculator and learn the amazing math and science to the next level.

Thanks for your support, Graphing Calculator recently got 1M+ downloads.

A Simple Graphing Calculator

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- Radian vs Degree

- InApp purchase to remove ads banner

- copy and paste using clipboard

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- buttons like ln, sqrt, log, 1/x, sinh, sinh-1, cosh, cosh-1, tanh, tanh-1

- abs means absolute value |x|

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Xlythe

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Listen Read Device Only Added Installed Calculator is focused on extending the traditional 4 function calculator, keeping its simplicity while still adding features used in higher level math. It uses the original Android calculator as a base.

The project was started by me in June 2012 and by October 2012 it was accepted into CyanogenMod. Since then, users of the app have helped greatly in cleaning up the ui, improving the matrix features, and translating the app into all the languages currently available. Without them, this app would be nowhere near as polished as it's become.

Because the app is intended as a full replacement, it's recommended that you hide your default calculator by either disabling it (v4.1+) or using a custom launcher. Otherwise, the similar app names may prove confusing.

Calculator has the following features and more:

-Basic arithmetic

-Trigonometry

-Complex numbers

-Graphs for X,Y functions

-Matrices

-Hexadecimal and Binary support

-Widget for lockscreen and launcher

-Floating calculator

-History of previous calculations

-Themeing support

-Google Glass support

The app is completely open source and the source can be downloaded at: https://github.com/Xlythe/android_packages_apps_Calculator/tree/ics

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Listen Read Device Only Added Installed # More from developer

## Messenger ++

Sergey Solovyev

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Listen Read Device Only Added Installed Messenger++ is an open-source multiprotocol instant messaging client for Android.

Source code is available on github: https://github.com/serso/android-messengerpp. If you want to participate in development, please, write an email: se.solovyev@gmail.com.

If you want to help translating the project, please, visit the following link: http://crowdin.net/project/messengerpp

If you have any suggestions or found a bug, please, leave a note on github: https://github.com/serso/android-messengerpp/issues

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Listen Read Device Only Added Installed ## Notes++

Sergey Solovyev

1

Listen Read Device Only Added Installed Notes++ helps you to organize your notes.

Features:

1. Easy, responsive and user friendly interface

2. Full text search across your notes

3. Support of categories

IMPORTANT: application contains advertisement! If you want to remove it - purchase special option from application settings. Internet access permission is needed only for showing the advertisement. If internet is off - no advertisement is shown!

Keywords:

notes notepad notepad++ easy notes fast notes organize notes

create notes make notes easynotes fastnotes

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Listen Read Device Only Added Installed ## Android Common Library

Sergey Solovyev

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Listen Read Device Only Added Installed Examples of java library for Android OS, source code available on github: https://github.com/serso/android-common

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Listen Read Device Only Added Installed