NumWorks - The graphing calculator that makes learning math easier.

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

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

SpeedCrunch - SpeedCrunch. SpeedCrunch is a high-precision scientific calculator featuring a fast, keyboard-driven user interface. It is free and open-source software, licensed under the GPL. Download Documentation Donate .

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.

Integral Calculator - Calculate Integral Online and Free