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.

Numi App - Numi is a beautiful text calculator for Mac.

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 .

CALCU - CALCU is a simple, yet beautiful and powerful calculator.

PCalc - PCalc is the powerful choice for scientists, engineers, students, programmers, or indeed anybody...