Calculator ++

Calculator ++

1,000,000 - 5,000,000 downloads

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++ easy to use
++ home screen widget
+ smart cursor positioning
+ copy/paste in one button
+ landscape/portrait orientations
++ modern interface with possibility to choose themes
+ highlighting of expressions
+ history with all previous calculations and undo/redo buttons
++ complex number computations
+ support for a huge variety of functions
+ support for Android 1.6 and higher
+ open source



How can I get rid of the ads?

Why Calculator++ needs INTERNET permission?


How can I toggle between radians and degrees?


268° = 4.67748
30.21° = 0.52726
rad(30, 21, 0) = 0.52726
deg(4.67748) = 268

Does C++ support %?


100 + 50% = 150
100 * 50% = 50
100 + 100 * 50% * 50% = 125



Does C++ support fractional calculations?


2/3 + 5/9 ≡ 11/9
2/9 + 3/123 ≡ 91/369

Does C++ support complex calculations?

(2i + 1) ^ = -3 + 4i
e ^ i = 0.5403 + 0.84147i

Can C++ plot graph of the function?

Does C++ support matrix calculations?
No, it doesn't

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Recently changed in this version

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

Comments and ratings for Calculator ++
  • (74 stars)

    by Alex Adendorff on 09/03/2014

    This calculator is well thought out with great features. Would give 5 stars if clicking equals on pi or e etc would give the actual numerical values.

  • (74 stars)

    by keith dragon on 09/03/2014


  • (74 stars)

    by Sujith Mohandas on 09/03/2014

    Awesome calculator with different functions. Plotter also works good. The key functions also works well.

  • (74 stars)

    by Taylor Passofaro on 05/03/2014

    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 tu

  • (74 stars)

    by Emil Wilke on 05/03/2014

    Use this all the time, for basic scratch calculations and complex functions. Love the swipe input.

  • (74 stars)

    by Thomas Kaldahl on 05/03/2014

    I am a nerd myself, and this calculator comes in handy during easy and complex problems need solving. There are some complex features that are available, but if someone wants just a simple equation solver, this calculator works for that too.

  • (74 stars)

    by Devin Hussey on 03/03/2014

    The alt hints are too small, dark and not prominent enough, and the layout is confusing and almost inaccessible for one hand. I can't figure out graphing but IDK if it changed in the update. The startup is a bit slow but calculations are instant and accur