The Best 47 Abacus 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

  • 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

  • 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

  • Excalibur icon

    Excalibur

    Excalibur for Windows 32-bit version is a freeware full featured RPN-only calculator. This is a serious calculator for serious users. Excalibur takes up a small amount of resources for all it does so well.

    Free Windows

  • Precise Calculator 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, complex numbers, fractions, vectors, matrices.

    Free Open Source Windows

  • Arithmate Pro Calculator icon

    Arithmate Pro Calculator

    A modern, scientific calculator that is easy to use. While other calculators display only one number at a time, this one shows you the whole expression you are inputting, leading to a much more user friendly experience.

    Commercial Android