# Description

This free app is a geometric calculator which is able to calculate area and volume.

Area Calculator: You are able to calculate the area for the most important geometric figures. You can calculate the area of circle, ellipse, rectangle, square, trapezoid, triangle, parallelogram, rhombus, sector and triangle.

Volume Calculator: You are able to calculate the volume for the most important geometric objects. You can calculate the volume of cone, cube, cuboid, cylinder, sphere, square pyramid and tetrahedron.

Best math tool for school and college! If you are a student, it will help you to learn geometry!

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

3.9

1,394 total

5 597

4 387

3 199

2 86

1 125

Frank Fournier

Boulevard10 Reasonably decent app. I matched the calculation answers to a far more accurate system and it was bang on.

User reviews

Area volume calculator Just what I need to teach my college students this June 2014. Additional topics though must be included like graphing capabilities.

# Additional information

Updated

January 26, 2015

Size

199k

Installs

100,000 - 500,000

Current Version

3.5

Requires Android

1.6 and up

Content Rating

Everyone

Permissions

Report

Flag as inappropriate Offered By

GK Apps

Developer

# Similar

## Concrete Calculator

GK Soft

1

This free concrete calculator is able to make various calculations.

- Concrete volume calculator: You are able to calculate the concrete volume. Just enter the diameter (in feet), depth (in feet) and quantity.

- Concrete slab calculator: You are able to calculate the required volume of mixer to pour for a concrete slab with the known measurements of width, length and thickness.

- Concrete column fill: Simply enter the height and diameter of the column, and click on the calculate button. The calculator will display the number of cubic yards required.

- Concrete footer volume: You are able to calculate the required amount of concrete to fill the footing with the given width, length and thickness.

- Block wall calculator: You are able to estimate the number of cubic yards required to be filled in a concrete for the given length, width and size.

The best tool for college and work. If you are a student, it will helps you to learn civil engineering or construction engineering!

Note: Concrete is widely used for making architectural structures, foundations, brick/block walls, pavements, bridges/overpasses, highways, runways, parking structures, dams, pools/reservoirs, pipes, footings for gates, fences and poles and even boats.

## Easy Geometry Calculator

DudiE

1

perimeter and area of a square

Area of an equilateral triangle

area of a regular polygon with n sides

fix bug

Square area Area of a rectangle

Finding the side of a square surface

Trapezoid area

Parallelogram area

Dalton area Scope

Square Scope of the rectangle

Square volume Triangle

Area Scope of the triangle

Area of an equilateral triangle

area of a regular polygon with n sides

fix bug

Square area Area of a rectangle

Finding the side of a square surface

Trapezoid area

Parallelogram area

Dalton area Scope

Square Scope of the rectangle

Square volume Triangle

Area Scope of the triangle

Regular Shapes

the radius of the circle

Perimeter of a circle,

Perimeter of a square

radius larger & smaller

triangle sides abc: find angles ABC

Another 5 formulas

The 30° 60° 90° Right Triangle

The 45° 45° 90° Right Triangle

Equilateral triangle inside the circle

Find the Radius of a Circle Inscribed in a Triangle

Find radius of circumscribed Circle Inscribed in a Triangle

formula for lateral surface area of a cone

find slant height

find α-Angle

Volume of a truncated cone

Cone volume Cylinder volume

Volume basis. R.

Surface area Casing

Casing Cylinder shell Surface area

Volume of a pyramid

Lateral Area of a Rectangular Prism

Volume of Balls

Surface Areaof Balls

Spherical segment

radius of a spherical segment

formula Parabola

y= ax²+b+c

Coordinates x y axis

length of angle bisector

Find Lengths of sides and Area

given α β height

line from (x1,y1) to (x2,y2).

Finding the Slope of a Line

Finding the b

b intercept formula

y=mx+b

Linear Equations - Slope Forms

Positive Slope

Negative Slope

Zero Slope

Square in a circle inscribed in a square

Area of A Sector

Touch

RADIAN COS SIN TAN COT SEC CSC

isosceles triangle

the area of the shaded region

Area Of A Segment

surface area of the cube

Scale circuit Diameter radius

The total radius Surface radius

Volume of a cube Box

volume Missing rib

Vertical Angles

Supplementary angles

Angle bisector

corresponding angles

Acute Angles

Obtuse Angles...

ad

Shimul Rahman on Jan 31, 2014 at 10:37 AM

Excellent Excellent work

Johan Terefe

Excellent Great work it is helpful app

Michael Burns

Easy geom Was a great app but stopped working so cannot use it

Thomas Schneider

Awesome! Just what I needed!

Thank you for your response

## Civil Engineering Basics

This unique free application is for all students across the world. It covers 61 topics of the Basics of Civil Engineering in detail. These 61 topics are divided in 4 units.

Each topic is around 600 words and is complete with diagrams, equations and other forms of graphical representations along with simple text explaining the concept in detail.

This USP of this application is "ultra-portability". Students can access the content on-the-go from anywhere they like.

Basically, each topic is like a detailed flash card and will make the lives of students simpler and easier.

Some of topics Covered in this application are:

1. Accuracy of angle measurement

2. PRECISION MEASURING INSTRUMENTS

3. Definition of horizontal and vertical angles

4. Linear Variable Differential Transformer (LVDT)

5. COMPARATORS

6. ELECTRICAL MEASURING DEVICES

7. Potentiometer

8. Micrometers

9. Height Gauge

10. Stick Micrometers

11. Inside Micrometer

12. Field of civil engineering and their scope

13. Impact of Infrastructural Development on the Economy of a Country

14. Role of Civil Engineers

15. Importance of Planning, Scheduling and Construction Management

16. Introduction of Surveying and levelling

17. Equipment

18. Levelling procedures

19. Object and Uses of Surveying

20. Primary Divisions of Surveying

21. NON-PRECISION MEASURING INSTRUMENTS

22. Firm Joint Type

23. Measuring angles and setting out angles

24. Types and uses of compass

25. Bearing

26. Magnetic Declination

27. INSTRUMENTS AND PROCEDURES

28. Procedure of Measuring Bearing with Prismatic Compass

29. CALCULATIONS OF BEARING AND INCLUDED ANGLES

30. PRECAUTIONS AND ERRORS IN COMPASS SURVEY

31. Sources of Error

32. Levelling

33. Object and Uses

34. Terms Used in Levelling

35. Leveling Instruments

36. Methods of Levelling

37. Use of a Planimeter

38. Introduction to Global Positioning System,

39. Remote Sensing and Geographic Information System

40. Technical Components of Remote Sensing

41. Remote Sensors

42. Types of Construction Materials

43. Properties and Importance of Civil Engineering Materials like Stone

44. Importance of Civil Engineering Materials like Bricks

45. Importance of Civil Engineering Materials like Lime

46. Importance of Civil Engineering Materials like Cement

47. Ferrous and Non Ferrous Metals

48. Ceramic Materials

49. Timber

50. Sand

51. Aggregates for Concrete

52. Mortar and Concrete

53. Paints

54. GLASS & GLAZING

55. Plastics

56. Watershed Development

57. Water Requirements and its Conservation

58. Basic Introduction of Hydraulic Structures of Storage (Only Dams),

59. Role of Transportation

60. Elements of Traffic Engineering and Traffic Control

61. BOT & BOOT Projects for Highways

## Civil Sutra

The site personnel spend lot of their time, effort and energy in searching various data, details even for the routine jobs. And sometimes it is very frustrating to do the manual calculation on site. But this time your efforts and energy could be easily saved if all the normally required information is available to you. Civil Sutra is the tool that will matchup with all your needs. Civil Sutra is specially designed for the site engineers, site supervisor, contractors and Architects to provide vital and helpful information. Civil Sutra designed to facilitate the calculation and designing work .Civil Sutra contains standard tables and formulas that will make your work effortless.

If you are an engineer you probably already know sometimes how hard it is to do the manual calculation on site and searching for various data and details. Maybe sometimes you think there must be a better way to solving the routine problems that make my work easy, effortless and less painful. If you think so, the Civil Sutra is exact solution for you that you have been looking for a very long time. With Civil Sutra you can do tedious task just in few clicks.

## Maths Formulas Free

NSC Co.

1

Available in many languages, this is a perfect app on Google Play that provides all basic formulas in mathematics. It's very convenient for all students in high school or university and engineers to look for any easy or complicated formulas. It includes:

- Geometry

- Algebra

- Trigonometry

- Equations

- Analytic Geometry

- Differentiation

- Integration

- Matrix

- Probability and statistics

- Units Conversion.

- Math Tricks.

This app also has many tools to calculate the geometric shapes or find the roots of equations. Users can also share any formulas with friends by many ways: email, message, or facebook.

Not only for smartphones, this app is also suitable for tablets with compatible interfaces.

- Geometry

- Algebra

- Trigonometry

- Equations

- Analytic Geometry

- Differentiation

- Integration

- Matrix

- Probability and statistics

- Units Conversion.

- Math Tricks.

This app also has many tools to calculate the geometric shapes or find the roots of equations. Users can also share any formulas with friends by many ways: email, message, or facebook.

Not only for smartphones, this app is also suitable for tablets with compatible interfaces.

New features of the app:

- Multiple languages supported: English, French, Vietnamese, Chinese, Spanish, Japanese, German, Korean, Russian, Portuguese, Italian, Greek, Thai, Indonesian, Arabic, Hindi, Bengali, Malay, Turkish, Dutch, Polish, Romanian, Persian, Ukrainian and Azerbaijani. Users can change between English and other languages by setting in the language button. More languages to come soon.

- Favorite folder: users can save frequently used formulas into this folder.

- Search function: in each category, type on Search bar to quickly get a formula.

- Add new category "Units Conversion": conversion of all common units.

- Tools to convert measurement units, including: Weight, Length, Area, Volume, Speed, Time, Temperature, etc..

- Add your own formulas or notes in "Favorite" section.

- Add your own customised tools in "Tools" section.

Maths Formulas - a must-have app for your smartphones and tablets.

## Volume and Surface Area

BullyBoo

1

This is a new easy for understanding app where you can find both 2D and 3D geometric shapes.

2D shapes: triangle, circle, square, rectangle, trapezoid, pentagon, parallelogram, rhombus, ellipsis, sector of a circle, annulus, sector of an annulus.

3D shapes: pyramid, sphere, cube, cuboid, cone, cylinder, prism, tetrahedron, ellipsoid, truncated pyramid, truncated cone.

Convenient and understandable interface. Picture of each shape with denoted variables that are necessary for using a particular formula. Formulas with explanations to different variables. The whole solution sequence.

This app will help you to find out volume and surface with different datas.

25 different shapes! 48 various formulas!

If you have any problems, you have found a mistake in the app or you have any recommendations concerning the development of the app, please write here: geo-calculate@yandex.ru

2D shapes: triangle, circle, square, rectangle, trapezoid, pentagon, parallelogram, rhombus, ellipsis, sector of a circle, annulus, sector of an annulus.

3D shapes: pyramid, sphere, cube, cuboid, cone, cylinder, prism, tetrahedron, ellipsoid, truncated pyramid, truncated cone.

Convenient and understandable interface. Picture of each shape with denoted variables that are necessary for using a particular formula. Formulas with explanations to different variables. The whole solution sequence.

This app will help you to find out volume and surface with different datas.

25 different shapes! 48 various formulas!

If you have any problems, you have found a mistake in the app or you have any recommendations concerning the development of the app, please write here: geo-calculate@yandex.ru

## Civil Engineering App

If you are looking for all the LATEST NEWS and BEST INFORMATION on Civil Engineering then download this FREE App to keep you in touch with everything in the industry.

If you are looking at Civil Engineering as a career or are already a Civil Engineer then this App is for you.

There's two Job feeds, Facebook, Twitter feed, access to the Institute of Civil Engineers and much more. There are some excellent educational videos on Civil Engineering which are easily accessed from this App.

All the information is dynamic so is continually updated to enable you to stay right up to date with movements in the industry.

Don't trawl the internet trying to pull all this great information together when you can download this app and have everything in one spot and at your finger tips day or night.

Just download the app and start enjoying everything it has to offer today. There's no email sign up just enjoy the great experience and information this app can bring to you.

This handy app also gives you access to all the local news and events in your area.

## Mental Math Free

Become good with numbers. Practice makes perfect! Let's enjoy mental math and train your brain!

Features

- Times Table Training(1~99!)

- Useful tips to simplify difficult math problems and exercises to use them.

- Four arithmetic operations training in three difficulty levels

- "Hide Question" mode to train to hold numbers in memory for mental calculation.

- Flash mental calculation

Please let me know any bugs and suggestions, and your secrets of mental math!

## Graphing Calculator by Mathlab

If you're looking for a graphing calculator app that works smoothly and seamlessly, you've found it! Graphing Calculator by Mathlab is a scientific graphing calculator integrated with algebra and is an indispensable mathematical tool for students in elementary school to those in college or graduate school, or just anyone who needs more than what a basic calculator offers. It is designed to replace bulky and costly handheld graphing calculators and works on virtually any Android phone or tablet.

Furthermore, Graphing Calculator by Mathlab displays calculations as it performs them on the high-quality display of the Android device, making it easier for the user to understand the calculations and see them clearly. This app has two great strengths. First, it acts as a fine scientific calculator, but, more than that, it displays the intermediate steps of the calculations as you type. It allows the students to both watch and learn how the calculations are made and how to find the final answer. Second, the graphing ability is absolutely stunning! Not only does the calculator beautifully display the graphs, but it automatically generates the x- and y- values and displays them as well.

Free version requires internet connection and contains ads! Upgrade to PRO!

Help site with instructions and examples: http://help.mathlab.us

If you have a question, send email to calc@mathlab.us

SCIENTIFIC CALCULATOR

* arithmetic expressions +,-,*,/,÷

* square root, cube and higher roots (hold ‘√’ key)

* exponent, logarithms (ln, log)

* trigonometric functions sin π/2, cos 30°, ...

* hyperbolic functions sinh, cosh, tanh, ... (hold "e" key to switch)

* inverse functions (hold direct function key)

* complex numbers, all functions support complex arguments

* derivatives sin x' = cos x, ... (hold x^n key)

* scientific notation (enable in menu)

* percent mode

* save/load history

GRAPHING CALCULATOR

* multiple functions graphing

* implicit functions up to 2nd degree (ellipse 2x^2+3y^2=1, etc.)

* polar graphs (r=cos2θ)

* parametric functions, enter each on new line (x=cos t, y=sin t)

* function roots and critical points on a graph, tap legend to turn on and off (top left corner), use menu to display as a list

* graph intersections (x^2=x+1)

* tracing function values and slopes

* scrollable and resizable graphs

* pinch to zoom

* fullscreen graphs in landscape orientation

* function tables

* save graphs as images

* save tables as csv

FRACTION CALCULATOR

* simple and complex fractions 1/2 + 1/3 = 5/6

* mixed numbers, use space to enter values 3 1/2

ALGEBRA CALCULATOR

* linear equations x+1=2 -> x=1

* quadratic equations x^2-1=0 -> x=-1,1

* approximate roots of higher polynomials

* systems of linear equations, write one equation per line, x1+x2=1, x1-x2=2

* polynomial long division

* polynomial expansion, factoring

MATRIX CALCULATOR

* matrix and vector operations

* dot product (hold *), cross product

* determinant, inverse, norm, transpose, trace

LIBRARY

* user defined constants and functions (PRO)

* save/load expressions

## Area Formulas

GK Apps

1

This free geometrical app shows you the most important area formulas: for Square, Rectangle, Trapezoid, Triangle, Ellipse, Parallelogram, Circle and Sector.

Best math tool for school and college! If you are a student, it will help you to learn geometry!

Note: Areas can be measured in square metres (m2), square centimetres (cm2), square millimetres (mm2), square kilometres (km2), square feet (ft2), square yards (yd2), square miles (mi2), and so forth.

## AutoMath Photo Calculator

S2dio

1

AutoMath allows you to solve math questions simply by taking a photo of your math equations

AutoMath is a great way to check your work, study or even to teach yourself math.

Here are some of AutoMath's Photo Calculator Features:

- Quick and Accurate Results

- Step by step tutorials

- No internet required

- Can solve simple to advanced math questions

- 250+ Mathematical Functions

- Handwritten questions are coming soon and are not currently supported

AutoMath Photo Calculator Currently supports:

Addition, Subtraction, Multiplication, Fractions, Division, Inequalities, Powers, Polynomials, Linear Equations,

Square Roots, Trigonometry, Algebra, Simplification, and Basic Algorithms

AutoMath Smart Text Calculator supports: (photo calculator not yet available for most of the below)

Any other math problems such as calculus, equation systems, complex math, graphing, table of values, and more

Coming Soon:

Calculus, Equation Systems and the ability to scan handwritten questions

Please Note:

Your very first photo will copy data files which will take longer then normal. After the initial photo it will be a lot quicker.

Example Video : https://www.youtube.com/watch?v=QYladg1nCYM

Graphing Example : https://www.youtube.com/watch?v=EpIA7JhDZ_Q

Quick Mode Example : https://www.youtube.com/watch?v=GtGmWHB3FZQ

Decide the future of AutoMath by Beta Testing: https://plus.google.com/communities/112210106892044446358

## Pocket Formulas

Never leave the house without your Math in your pocket! Pocket Formulas is the best solution for studying Math. It helps you study, practice and write your Math homework easily! Always carry the formulas you need.

***IMPORTANT***

*This is the old Pocket Formulas App. A terrible thing happened so I had to upload it as a new application.

*That means if you have the old version, you cannot get an update. Simply delete the old version and install

*This one. Thank you for downloading!

# More from developer

## Spanish English Translator

GK Apps

1

This free app is able to translate words and texts from english to spanish, and from spanish to english.

- very useful app for easy and fast translations, which can be used like a dictionary

- click on the speaker, and a voice will read the text

- voice input available

- if you are a student, tourist or traveler, it will helps you to learn the language!

- Spanish is spoken in countries like United States, Mexico, Colombia, Argentina, Chile, Spain, Equador and others.

## Mexican Radio Online

GK Apps

1

Listen to Mexico Radio completely free! Many radio stations with different music genres like latin, pop, rock, electro, dance, electro, hip hop, disco, RnB and classic. Examples of stations are:

- Radio Quelite

- Oldies Mexico

- Radio Mexicana

- CANDELA 92.3 FM

- ADICTA FM

- Tu Musica FM

- ¡Que Viva México!

- LA GRUPERA

and others. If you like mexican and international music, this is the best app for you!

## Fraction to Decimal

GK Apps

1

This free math calculator is able to convert fractions into decimal numbers. You can convert common fractions (like 1/2) and mixed fractions (like 2 4/5).

The best mathematical tool for school and college! If you are a student, it will help you to learn arithmetic and division!

Note: A common fraction consists of an integer numerator, displayed above a line (or before a slash in this app), and a non-zero integer denominator, displayed below (or after the slash) that line. Numerators and denominators are also used in fractions that are not common, including compound fractions, complex fractions, and mixed numerals.

## Italian English Translator

GK Apps

1

This free application is able to translate words and texts from english to italian, and from italian to english. Best application for easy and fast translations, which can be used like a dictionary.

If you are a student, tourist or traveler, it will helps you to learn the language!

If you are a student, tourist or traveler, it will helps you to learn the language!

Italian is the national language of Italy and also spoken in countries like San Marino, Malta, Switzerland, Vatican City.

## French English Translator

GK Apps

1

This free application is able to translate words and texts from english to french, and from french to english. Best application for easy and fast translations, which can be used like a dictionary.

If you are a student, tourist or traveler, it will helps you to learn the language!

If you are a student, tourist or traveler, it will helps you to learn the language!

French is the national language of France and also spoken in countries like Congo, Canada, Madagascar.

## Filipino English Translator

GK Apps

1

This free app is able to translate words and texts from english to filipino, and from filipino to english. Very useful app for easy and fast translations, which also works like a dictionary!

If you are a student or someone else who wants to learn filipino, this is the best app for you.

Filipino is the national language of the Philippines, based primarily on Tagalog. It is centred around Manila.

Disclaimer: This service may contain translations powered by Google. Google disclaims all warranties related to the translations, express or implied, including any warranties of accuracy, reliability, and any implied warranties of merchantability, fitness for a particular purpose and noninfringement.

Google Translate link: http://translate.google.com

## Portuguese English Translator

GK Apps

1

This free app is able to translate words and texts from english to portuguese, and from portuguese to english.

Very useful app for easy and fast translations, which can be used like a dictionary.

If you are a student, tourist or traveler, it will helps you to learn the language!

Portuguese is spoken in countries like Brazil, Portugal, Mozambique, Angola, Macau and others.

## Korean English Translator

GK Apps

1

This app is able to translate words and texts from english to korean, and from korean to english. Very useful app for easy and fast translations, which also works like a dictionary!

If you are a student, tourist or traveler, it will helps you to learn the language!

Korean is the national and official language of Korea.

## Fractions Math

GK Apps

1

This free math app is a fractions calculator with various functions:

- add, subtract, multiply and divide fractions.

- convert fractions in decimals,

- simplify fractions

- compare fractions

- find the lowest common denominator

- fraction trainer, to learn fraction calculations

Best mathematical tool for school and college! If you are a student, it will helps you to learn arithmetics and calculations with fraction numbers.

Note: A common fraction consists of an integer numerator, displayed above a line (or before a slash in this app), and a non-zero integer denominator, displayed below (or after the slash) that line. Numerators and denominators are also used in fractions that are not common, including compound fractions, complex fractions, and mixed numerals.

## Linear Equation System Solver

GK Apps

1

This app is a free math calculator which is able to solve systems of linear equations.

You can solve:

-Systems of two variables and two equations

-Systems of three variables and two equations

-Systems of three variables and three equations

-Systems of four variables and two equations

-Systems of four variables and three equations

-Systems of four variables and four equations

-Systems of four variables and four equations

-Systems with n variables and m equations (more than 4)

Best mathematical tool for school and college! If you are a student, it will help you to learn linear algebra!

Note: Linear equation systems play an important role in engineering, physics, chemistry, computer science, and economics.

## Exponent Calculator

GK Apps

1

This is a free math calculator, which is an easy way to enter in any number and any exponent and then find the solution. Simply enter in any number and then an exponent and press the calculate button!

The best mathematical tool for school and college! If you are a student, it will helps you to learn algebra.

Note: Exponentiation is used in many other fields, including economics, biology, chemistry, physics, as well as computer science, with applications such as compound interest, population growth, chemical reaction kinetics, wave behavior, and public key cryptography.

## Logarithm Calculator

GK Apps

1

This is a free math calculator, which is able to calculate the logarithm for a number to a base. You can also choose the base.

The best mathematical tool for school and college! If you are a student, it will helps you to learn algebra.

Note: The logarithm of a number is the exponent to which another fixed value, the base, must be raised to produce that number. For example, the logarithm of 1000 to base 10 is 3.