Alternatives to Ruvenss Calculator for all platforms with Open Source License

  • Gnome calculator

    Calculator for the GNOME Desktop Environment, formerly known as gcalc (and gcalctool CLI).

    Free Open Source Linux GNOME

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    Gnome calculator icon
  • Giac/Xcas

    Giac/Xcas is a free computer algebra system for Windows, Mac OS X and Linux/Unix (license GPL3, for commercial dual-license contact us).

    Free Open Source Mac Windows Linux

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    Giac/Xcas icon
  • Precise Calculator

    Programmable scientific calculator which has more than 150 mathematical functions and all of them return as many digits as you need. It can calculate with real numbers...

    Free Open Source Windows

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    Precise Calculator icon
  • Calculator++

    A multipurpose calculator app with slick and intuitive user interface. Access additional features from the main screen of the app using gestures. It has a big variety...

    Free Open Source Android Android Tablet

    Calculator++ icon
  • Calculator by Xlythe

    Calculator is a simple 4 function calculator, with a panel that has more advanced functions when you need them. It includes history, real time graphing, base conversion...

    Free Open Source Android Android Wear

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    Calculator by Xlythe icon
  • GraphCalc

    GraphCalc is an all-in-one solution to everything from everyday arithmetic to statistical analysis, from betas to Booleans, from cubes to calculus, from decimals to...

    • Discontinued The project was abandoned. Last version, 4.0.1, released on November 24, 2003, can be still downloaded from the official website.

    Free Open Source Windows Linux

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    GraphCalc icon
  • XCALC

    XCALC is my little RPN calculator completely free to use, and still downloadable. XCALC is now a DEAD project. No work has been done on this project since 2012, and...

    • Discontinued XCALC is now a DEAD project per homepage, but it is still downloadable.

    Free Open Source Windows Linux

    XCALC icon
  • Kalq

    Calculator software try too hard to imitate the real thing. They end up big and clunky and their limitations are carried on. Kalq is a user experience experiment to...

    Free Open Source Windows

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    Kalq icon
  • Simple Calculator

    A calculator with the basic functions and a customizable widget. You can copy the result or formula to clipboard by long pressing it. The text color of the widget...

    Free Open Source Android Android Tablet

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    Simple Calculator icon

Platforms

Show 14 less popular platforms