The Best 62 Reor Alternatives

  • Calculator icon

    Calculator

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

    Free Android Android Tablet Chrome OS Web Android Wear

  • RealCalc Scientific Calculator icon

    RealCalc Scientific Calculator

    RealCalc Scientific Calculator Android's #1 Scientific Calculator. A fully featured scientific calculator which looks and operates like the real thing.

    Freemium Android

  • handyCalc icon

    handyCalc

    handyCalc is a powerful calculator with automatic suggestion and solving which makes it easier to learn and use. With almost all the features you can imagine on a calculator, waiting for you to explore.

    Free Android

  • Soulver icon

    Soulver

    Soulver helps you do quick calculations and work things out. Use Soulver to play around with numbers, do "back of the envelope" calculations, and solve day-to-day problems.

    Commercial Mac OS X

  • Windows Calculator icon

    Windows Calculator

    Windows Calculator, commonly known as Calculator from the application's title bar, is a calculation application included in all versions of the Microsoft Windows operating system.

    Free Windows

  • CalcTape icon

    CalcTape

    CalcTape is a revolutionary new kind of pocket calculator. With CalcTape, also extensive calculations remain clearly structured.

    Freemium Windows

  • Calculator icon

    Calculator

    The built in Calculator on the iPhone. Calculator is two calculators in one: rotate it to landscape to transform it from basic to scientific.

    Free iPhone iPad

  • Calcbot icon

    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.

    Freemium Mac OS X iPhone iPad Apple Watch

  • PCalc icon

    PCalc

    PCalc is the powerful choice for scientists, engineers, students, programmers, or indeed anybody looking for a feature rich calculator.

    Commercial

  • Numeric Notes icon

    Numeric Notes

    Numeric Notes – is not just a totally new way to count, but also possibility to keep and share calculations on your Mac. Individual notes for home calculations, work and shopping.

    Commercial Mac OS X

  • SpeQ Mathematics icon

    SpeQ Mathematics

    SpeQ is a small, extensive mathematics program with a simple, intuitive interface. All calculations are entered in a sheet. In there you can freely add, edit and execute calculations.

    Free Windows

  • HEXelon MAX icon

    HEXelon MAX

    HEXelon MAX is a science calculator. It solves math expressions like: Sin(Pi)-Root(-8;3)+3. Exchange rates table and currency converter are update from Internet by one click.

    Free Windows

  • galculator icon

    galculator

    galculator is a GTK 2 / GTK 3 based calculator with ordinary notation/reverse Polish notation (RPN), a formula entry mode, different number bases (DEC, HEX, OCT, BIN) and different units of angular measure (DEG, RAD, GRAD).

    Free Open Source Linux BSD Xfce

  • Console Calculator icon

    Console Calculator

    Console Calculator is a powerful calculator with a simple console interface. This calculator supports many built-in mathematical functions, remembers recent entries, supports creation of user defined variables and custom functions.

    Commercial Mac OS X Windows

  • TTCalc icon

    TTCalc

    TTCalc is an open source bignum mathematical calculator.

    Free Open Source Windows

  • Mathdroid icon

    Mathdroid

    A calculator for Android. Algebraic entry. Full on-screen history (multi-line display). Use your phone's keyboard or on-screen buttons. Usual functions: trig, log, etc. Parentheses. Copy to clipboard.

    Free Open Source Android

  • 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 of built-in functions and supports adding new user-defined functions.

    Free Open Source Android Android Tablet