The Best 19 Chalk Alternatives

  • 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

  • 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

  • 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 derivatives.

    Free Open Source Windows Linux

  • 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

    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

    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

  • Gnome calculator

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

    Free Open Source Linux GNOME

  • 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

  • Moffsoft FreeCalc

    Moffsoft FreeCalc is the ideal replacement for your standard Windows calculator - with adjustable size, visible memory value and digit groupings, this free calculator...

    Freemium Windows

  • 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

  • Calculator Plus

    Calculator Plus is a nice addition to hundreds of Calculator apps but with unique idea and innovative and user friendly designed buttons. A sound and smart person...

    Free Android

  • eCalc Scientific Calculator

    An easy to use scientific calculator with many advanced features to help you solve algebra, trigonometry, and engineering math problems. The calculator comes with six...

    Commercial Mac OS X Windows

  • Calculate

    A math expression calculator with persistent memory for variables and functions. Any JavaScript expression can be evaluated. - Click the C button to clear the output...

    Free Mac OS X

  • ECW Expression Calculator

    ECW Expression Calculator is an advanced expression calculator with the following features: * display result as decimal/hex/bin/oct/exponential * standard and...

    Free Windows

  • Calc98

    Calc98 is a small but very powerful scientific calculator, with lots of features: Version 5.3 (totally free) # RPN # Base-n, hex, octal and binary modes #...

    Free Windows Windows Mobile

  • Calculator Pro

    Calculator Pro for iPad Free is designed for everyone looking for simplicity and functionality. The app features two calculators sporting elegant interface that...

    Freemium iPad