Arity

Arity is a calculator app that's fast and simple to use, and powerful. Features: open source (Apache 2). tiny (2K SLOC and 50KB binary) user...

Free Open Source Android

CALCU

CALCU is a simple, yet beautiful and powerful calculator. Customize the keypad as your need, change theme as your taste, CALCU is the calculator made just for you! ...

Freemium Android

Oficalc

Complete calculus tools, easy to use and full of functions. Oficalc is, basically, a scientific calculator that may help you with mathematical calculus and that...

Free Windows

Linux Extcalc

Extcalc is a scientifical calculator for linux which features a intuitive, Qt-based user interface, matrix operations, plotting of 2D and 3D graphs and scripting using a...

Free Open Source Linux

"Converter"

Converter is a unit converter that converts between 20 different categories and hundreds of units.

Commercial Mac OS X

UseTool

UseTool combines converter and calculator in one app and lets you customize the interface by your own taste. We tried to pick for you the most frequently converted...

Free Android

makina

The only gesture-based calculator on the Play Store. makina |m??ki?n??| Noun the calculator application making arithmetic calculations using gesture-based controls ...

Free Android

Getcalc

getcalc.com is a simple, intuitive & robust Online Calculators & Converters Application to perform simple to more complex math, science, finance, engineering...

Free Web

GlassCalc

GlassCalc is a free, Windows calculator designed for quick input via keyboard. It forgoes the usual array of buttons for a single textbox where you can type an equation...

Free Windows

Simple Calculator

A calculator with the basic functions and a customizable widget. You can copy the result or formula to clipboard by long pressing it. The text color of the widget...

Free Open Source Android