NumWorks - The graphing calculator that makes learning math easier.

SpeQ Mathematics - SpeQ is a small, extensive mathematics program with a simple, intuitive interface.

Kalk Calculator - Powerful calculator application for Linux mobile and desktop devices

Qalculate! - Qalculate! is a multiplatform multi-purpose desktop calculator.

OpenCalc - Simple and beautiful calculator for Android. Contribute to Darkempire78/OpenCalc development by creating an account on GitHub.

Soulver - Soulver is a software application that functions as a calculator that allows you type a continuous stream of information rather than having to input data into multiple cells.