This project is an Arduino-based calculator that uses a 4x4 keypad for input and an I2C LCD for output. The calculator can perform basic arithmetic operations such as addition, subtraction, ...

This project implements a simple calculator using an Arduino, an LCD, and serial input. It supports basic arithmetic operations (+, -, *, /, ^) and handles division by zero gracefully. Connect the LCD ...

All by itself, a calculator based on an Arduino isn’t necessarily very novel. However, [Danko Bertović] of Volos Projects has a nice board that, of course, looks like a calculator. There are 16 keys ...