Numi App - Numi is a beautiful text calculator for Mac.
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 .
ConvertAll - A comprehensive unit conversion program.
Calculator by Xlythe - Calculator is a simple 4 function calculator.
Calculator++ - Calculator++ is an advanced, modern and easy to use scientific calculator.
HEXelon MAX - HEXelon MAX is a science calculator. It solves math expressions like: Sin(Pi)-Root(-8;3)+3.