Wolfram Alpha

SpeedCrunch Portable is a free, fast, high precision open source algebraic calculator with an intuitive interface and a extensive list of features, including: Unlimited Variables, Syntax...

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 …

Google’s calculator tries to understand the problem you are attempting to solve without requiring you to use special syntax. To use Google's built-in calculator function, simply enter the calculation...

Qalculate! is a multi-purpose desktop calculator for GNU/Linux. It is small and simple to use but with much power and versatility underneath. Features include customizable functions, units, arbitrary...

Mathmatiz is the best android calculator. It provides its users technical computation ability similar to the famous computation software MATLAB on an Android phone, including m file support and plotting. …

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. GraphCalc combines all the...

MathStudio, formerly SpaceTime, is the most comprehensive math app available for mobile devices. Whether you need a simple calculator to do your finances or a replacement for your TI graphing …

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

When the Windows operating system is installed on your computer, a simple calculator program that you can use to perform standard mathematical functions also gets installed. However, your legal copy …

Calculator web-app for JustBrowsing project. Basic 4 function calculator plus square root and exponent functions. Supports keyboard shortcuts and made to resemble a real calculator. Online demo:...

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, …

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. It can be activated by...

The Units program converts quantities expressed in various scales to their equivalents in other scales. The units program can handle multiplicative scale changes as well as nonlinear conversions such as...