AlternativeTo Logo

RTRO-CLC2 Alternatives

RTRO-CLC2 is described as 'Retro calculator with square roots and tap-to-copy' and is a Calculator in the education & reference category. There are more than 25 alternatives to RTRO-CLC2 for a variety of platforms, including iPhone, Android, Windows, iPad and Mac. The best alternative is SpeedCrunch, which is both free and Open Source. Other great apps like RTRO-CLC2 are Qalculate!, Windows Calculator, Google Calculator and OpenCalc.

This page was last updated
  • Mac
  • iPhone
  • iPad

Retro calculator with square roots and tap-to-copy.

Learn more about RTRO-CLC2

  1. SpeedCrunch icon

    SpeedCrunch

    • Mac
    • Windows
    • Linux
    • PortableApps.com
    115 alternatives to SpeedCrunch 

    SpeedCrunch is a free, fast, high precision open source algebraic calculator with an intuitive interface and many features, such as variables, syntax highlighting, functions, persistent input history & more.

     Suggest and vote on features
    Features
    1.  Syntax HighlightingSpeedCrunch supports syntax highlighting for various programming and markup languages.
    2.  PortableSpeedCrunch can be used from a USB stick or similar with no prior installation.
    3.  Live PreviewInstantly see what your files and documents look like as you create them.
    4.  Ad-freeSpeedCrunch doesn't contain any form of external advertising.
    5.  Support for ThemesYou can use themes and templates to change the look and feel of SpeedCrunch.
    on kde
    on mac osx
  2. Qalculate! icon

    Qalculate!

    • Mac
    • Windows
    • Linux
    106 alternatives to Qalculate! 

    Qalculate! is a multi-purpose cross-platform desktop calculator. It is simple to use but provides power and versatility normally reserved for complicated math packages, as well as useful tools for everyday needs (such as currency conversion and percent calculation).

     Suggest and vote on features
    Features
    1.  Currency ConversionQalculate! lets you convert different currencies based on the latest exchange rates.
    2.  PortableQalculate! can be used from a USB stick or similar with no prior installation.
    Main window
    History


  3. Windows Calculator icon

    Windows Calculator

    115 alternatives to Windows Calculator 

    A simple yet powerful calculator that includes standard, scientific, and programmer modes, as well as a unit converter. It's the perfect tool to add up a bill, convert measurements in a recipe or other project, or complete complex math, algebra, or geometry problems.

     Suggest and vote on features
    Features
    1.  Currency ConversionWindows Calculator lets you convert different currencies based on the latest exchange rates.
    2.  Ad-freeWindows Calculator doesn't contain any form of external advertising.
    Screenshot
  4. Google Calculator icon

    Google Calculator

    • Android
    • Chrome OS
    • Android Tablet
    • Android Wear
    142 alternatives to Google Calculator 

    Calculator provides simple and advanced mathematical functions in a beautifully designed app.

     Suggest and vote on features
    Features
    1.  Ad-freeGoogle Calculator doesn't contain any form of external advertising.
      Screenshot
      Screenshot
    • OpenCalc icon

      OpenCalc

      • Android
      • F-Droid
      53 alternatives to OpenCalc 

      Simple and beautiful calculator for Android.

       Suggest and vote on features
      Features
      1.  Ad-freeOpenCalc doesn't contain any form of external advertising.
      2.  LightweightOpenCalc consumes less device resources compared to similar apps.
      Screenshot
      Screenshot


    • Simple Calculator icon

      Simple Calculator

      • Android
      • Android Tablet
      • F-Droid
      80 alternatives to Simple Calculator 

      A calculator with the basic functions and a customizable widget.

       Suggest and vote on features
      Features
      Screenshot
    • NumWorks Graphing Calculator icon

      NumWorks Graphing Calculator

      • Online
      • Android
      • iPhone
      • iPad
      125 alternatives to NumWorks Graphing Calculator 

      NumWorks designed an intuitive and evolutive graphing calculator to make learning maths easier.

       Suggest and vote on features
      Features
      Screenshot
    • Calcbot icon

      Calcbot

      • Mac
      • iPhone
      • iPad
      • Apple Watch
      94 alternatives to Calcbot 

      Calcbot is a simple and beautifully designed calculator for your iPhone, iPod touch and iPad. You’ll never open the built-in Calculator app again.

       Suggest and vote on features
      Features
      Standard Keypad
    • CalcTape icon

      CalcTape

      • Mac
      • Windows
      • Android
      • iPhone
      • Android Tablet
      • iPad
      91 alternatives to CalcTape 

      CalcTape is a revolutionary new kind of pocket calculator. With CalcTape, also extensive calculations remain clearly structured. CalcTape makes the arithmetic process visible - you can generate intermediate results and subsequently correct or change all numbers and operations.

       Suggest and vote on features
      Features
      Screenshot
    • GeoGebra Scientific Calculator icon

      GeoGebra Scientific Calculator

      • Online
      • Android
      • iPhone
      • Android Tablet
      • iPad
      113 alternatives to GeoGebra Scientific Calculator 

      Free online scientific calculator from GeoGebra: perform calculations with fractions, statistics and exponential functions, logarithms, trigonometry and much more!

       Suggest and vote on features
      Features
      Screenshot
    Showing 10 of 34 alternatives
    AlternativeTo