PCalc - PCalc is the powerful choice for scientists, engineers, students, programmers, or indeed anybody...
SymCalc - Symbolic Calculator - Math toolbox for iOS. Advanced calculator features with a tape-like history, not requiring internet...
Numi App - Numi is a beautiful text calculator for Mac.
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.
Calcbot for Apple Watch - Calculate, convert, and split tips from your wrist
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 .