The Best 51 Simple Calculator 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

  • 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

  • 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

  • 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

  • Gnome calculator icon

    Gnome calculator

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

    Free Open Source Linux GNOME

  • 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

  • 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

  • Omni Calculator icon

    Omni Calculator

    Omni Calculator is a web/mobile calculator that solves concrete problems such as mortgage payment, gross margin, body mass index, break-even point, etc.

    Free Android iPhone iPad Web

  • ESBCalc icon

    ESBCalc

    ESBCalc is a Freeware Scientific Calculator for Windows with Infix Notation, Brackets, Scientific Functions (Trigonometric, Hyperbolic, Logarithmic - including Base 10, Base 2 & Natural - plus more), Memory, Paper Trail, Result History...

    Freemium Windows

  • MyScript Calculator icon

    MyScript Calculator

    With MyScript Calculator, perform mathematical operations naturally using your handwriting.

    Free Android iPhone Android Tablet iPad

  • XCALC 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 nothing more will be done either.

    Free Open Source Windows Linux

    Portable Reverse Polish notation (RPN)