Console Calculator - Console Calculator is a powerful calculator with a simple console interface.
Tipping - Ridiculously quick tip calculator
Calculator by Xlythe - Calculator is a simple 4 function calculator.
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 .
Toothpick - Calculate your tip based on the server's gender