Mi Calculator will do the math for you. Regular, scientific, and mortgage calculators, as well as currency and unit converters are all here in one place.



Qalculate! is described as 'Multi-purpose cross-platform desktop calculator. It is simple to use but provides power and versatility normally reserved for complicated math packages, as well as useful tools for everyday needs (such as currency conversion and percent calculation)' and is a very popular Calculator in the education & reference category. There are more than 100 alternatives to Qalculate! for a variety of platforms, including Android, Windows, Mac, Web-based and Linux apps. The best Qalculate! alternative is SpeedCrunch, which is both free and Open Source. Other great apps like Qalculate! are OpenCalc, fxSolver, Soulver and Numbat.
Mi Calculator will do the math for you. Regular, scientific, and mortgage calculators, as well as currency and unit converters are all here in one place.




ECW Expression Calculator is an advanced expression calculator with the following features:



A kickass, open-source calculator that lets you do calculations and unit conversions naturally, with features like:




A text calculator for natural language expressions, variables & unit conversions, with a vim-style TUI. Inspired by Numi.


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.



With AYBO you can perform any kind of calculations, unit conversions, currency conversions, check the weather, set timers, plot graphs, solve simple equations.




FP Calculator is a calculator app for iPad&iPhone, which includes basic calculations, scientific calculations, and currency conversion functions.






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...



Numbr is a currency calculator, a notepad that understands your calculation. You can use notes with numbers alongside each other. And all your numbers are instantly calculated as you type.

