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.



Calculator-inator is described as 'Calculator & Converter for Android inspired from Google Calculator' and is a Calculator in the education & reference category. There are more than 50 alternatives to Calculator-inator for a variety of platforms, including Windows, Android, Mac, Linux and Web-based apps. The best Calculator-inator alternative is SpeedCrunch, which is both free and Open Source. Other great apps like Calculator-inator are Fossify Calculator, Qalculate!, Calc You and fxSolver.
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.



Omni Calculator is a web/mobile calculator that solves concrete problems such as mortgage payment, gross margin, body mass index, break-even point, etc. It's very user-friendly, flexible and usable on web, mobile and as an embeddable web widget.




Multi Sum Calculator is a portable tool that calculates the sum of multiple values!




TTCalc is an open source bignum mathematical calculator. It features arithmetical functions, trigonometric functions, inverse trigonometric functions, hyperbolic functions, inverse hyperbolic functions, logical operators, logarithms, functions for converting between degrees and...



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.

Power calculator for Android. Has Calculus, Algebra, 2D/3D Graphing and other features.




Online graph sketching app that can graph functions and numerically solve differential equations.

Free online calculators for finance, health, education & daily life. 17+ tools including loan, BMI, GPA, mortgage & more. No signup needed.

EBTCalc is a Reverse Polish Notation (RPN) calculator that can have custom buttons. Custom buttons are programmed in Javascript with a convenient editor. EBTCalc runs on Windows 10, OSX, and Linux as well as Android. EBTCalc is open source.


Rule of 3 Calculator is a portable tool that allows you to apply the mathematical Rule of Three in an easier, faster and more practical way!

Real Time Calculator is a practical browser calculator that outputs results in real time!

Multi Share Calculator is a portable tool that allows anything to be shared proportionally!
