GeoGebra CAS Calculator

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This app cannot be unapproved as it is part of managed Google Play. This app is only available in certain countries.

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( 295)

# Description

Easily graph functions, solve equations, find special points of functions, save and share your results. Millions of people around the world use GeoGebra to learn math and science. Join us!

• Plot functions, polar and parametric curves

• Solve equations with our powerful math engine

• Experience transformations with sliders

• Get special points of functions: roots, min, max, intersections

• Find derivatives and integrals

• Do regression with best-fit lines

• Search for free learning activities directly from our app

• Save and share your results with friends and teachers

We’d love to hear from you: send us your questions or feedback via Twitter @geogebra or to support@geogebra.org

• Plot functions, polar and parametric curves

• Solve equations with our powerful math engine

• Experience transformations with sliders

• Get special points of functions: roots, min, max, intersections

• Find derivatives and integrals

• Do regression with best-fit lines

• Search for free learning activities directly from our app

• Save and share your results with friends and teachers

We’d love to hear from you: send us your questions or feedback via Twitter @geogebra or to support@geogebra.org

My review

Review from

# Reviews

Review Policy4.6

295 total

5 242

4 24

3 10

2 5

1 14

A Google User

Do you guys have plans to implement complex functions? Features like plotting real and complex parts of f(x) = sqrt(x) and calculating all solutions of x^3 - 1 = 0. EDIT: I did read the wiki before. CSolve doesn't seem to be available so "z^3 - 1 = 0" can't be properly solved. Also the wiki doesn't mention how to define a function as complex. On a small test, it seems that the imaginary part of sqrt(x) is treated as undefined by default so writing imaginary(sqrt(x)) doesn't behave as expected.

Mubin MA

Love your apps. Just wondering what's the difference between Geogebra Geometry , Graphing calculator and CAS calculator other than some ui elements. Are they not exactly the same?

A Google User

could you please add some parameters (like a,b,c,etc) so when we want to see the behavior of a function like ax^2+bx+c we could easily handle those parameters and see the effect of each on the graph,also accept some relations between those parameters ,like ab=5 and bc=7,thanks

A Google User

Very, very good but since update was out, I can't update. Downloading pending for days. As always, Google messes the whole thing along with devs' good work.

Vilém Jankovský

"imaginary(sqrt(x))" doesn't work properly at x<0. When I tap the function generated by "Curve((gamma(θ); θ), θ, 0, 2π)", my phone shuts down.

A Google User

this is a great app, it can perform integration by parts! :)

User reviews

International GeoGebra Institute February 19, 2019

Using complex numbers is already possible. Have a look at this: https://wiki.geogebra.org/en/Complex_Numbers. Also searching the wiki for "complex" will give you a list of related commands.
Edit: try this :)
ComplexRoot(x^3 - 1 )
We don't have plans to plot complex parts of eg sqrt(x) International GeoGebra Institute February 19, 2019

If you enter ax^2+bx+c, the app will automatically create sliders for a,b and c. Moving the sliders will let you explore the function. International GeoGebra Institute April 8, 2019

We are sorry to hear that! Please go to https://www.geogebra.org/help and post your issue with more details. Hopefully we can help! this is a great app, it can perform integration by parts! :)

really like it, wish i could disable the graphing when not needed and reclaim the screen real estate

My teacher said I had to learn to do limits by hand because "you will not be carrying a computer with geogebra installed at all times", well who's laughing now?

It's hard to use and can't make the calculator fullscreen which would make it so much easier to use especially in portrait mode. Also being able to set favourite commands and easy access to them would also help.

International GeoGebra Institute October 24, 2018

The recently used commands already appear in the Help menu. You can open this menu by tapping on the + button at the beginning of the input row and then on the Help menu option. This app is just a rebranding of the geogebra graphic calc with solve functionality. I greatly dislike the UI for a number of reasons: - Really slow to write equations. For anyone who's familiar with geogebra 5 style cas commands "solve(sqrt(x+2)+log(3x)=7,x)". App does support that input but you have to input the brackets and numbers from another keyboard tab. -> Add support for native Android keyboard and a button to switch to your own for Greek alphabet characters - Can't hide graphics - No black theme - Cas view looks cluttered if you've got any graphics going on (can't have algebra and Cas views separate as in Geogebra 5) - Can't refer to last Cas result with $1 or similar. Only setting a temporary variable value works. So in a nutshell it's geogebra 6 with all it's shortcomings but still better than geogebra graphic calc for Android as it supports solve command.

International GeoGebra Institute October 31, 2018

Thank you for your feedback! We will improve our CAS calculator over the coming months to go exactly in the directions that you suggest. So stay tuned for the updates coming later this school year! So far so good, but can anyone tell me what's the difference between this and the graphing calculator? They are almost the same in functions IMO, yet this one is 7MB larger.

International GeoGebra Institute October 24, 2018

The CAS Calculator includes CAS features like the Integral and Solve commands. We've removed features like these from the Graphing Calculator for compatibility with the Exam Mode. My favorite calculator. Because of it I was able to understand mathematics with a much deeper concept through graphs and definitions. Great work

Can you please add a feature which asks for which variable we want it to solve the equation ?

International GeoGebra Institute March 12, 2019

Please have a look at https://wiki.geogebra.org/en/Solve_Command for more solving options. Why doesn't JavaScript command run on mobile version? There ability of flow control (if,while,for) make very usefulness

I think the app would be a lot more helpful if it included built in examples.... The Desmos app does and it really helps by showing what is capable with the app

International GeoGebra Institute November 27, 2018

Via Menu - Open you can search for public resources created by the community. Or you could go to www.geogebra.org directly to find resources and tutorials. I hope this helps! International GeoGebra Institute November 12, 2018

Thank you for your review. If you like it, please consider giving 5 stars. We appreciate it! International GeoGebra Institute November 27, 2018

We are on it, please stay tuned! Review deleted

# What's New

First release of the CAS Calculator

# Additional information

Updated

April 11, 2019

Installs

50,000 - 100,000

Current Version

5.0.498.0

Requires Android

4.0 and up

Permissions

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International GeoGebra Institute