Talking Calculator

This precise, user-friendly ATmega88-based talking calculator operates with real numbers. It features the four basic operations (addition, subtraction, multiplication, and division) and several useful functions (e.g., change of sign (+/–), inverse (1/x), add with memory (M+), and read from memory (MR)).

Mariano Barron Ruiz
ispbarum@sb.ehu.es
Spain