One of [Kale_3D]’s teachers had made an Arduino-powered calculator. It wasn’t robust and didn’t last too long in the classroom environment. After the non-functional calculator sat around the class for ...

This project implements a fundamental four-function calculator (Addition, Subtraction, Multiplication, and Division) using an Arduino Uno or compatible microcontroller. Input is managed via a 4x4 ...

If you are interested in building your very own RPN calculator you might be interested in a new project published to the Instructables website this week by member Shiura. Using a CNC machine, the ...