Casio fx-3600p. Programmable calculator in early 1980's. There's a function for linear regression as we… | Calculadora, Cosas que recordar, Recuerdos de la infancia
CASIO fx-3600P scientific calculator from 1985
Casio FX-3600p | Calculator, Casio, Slide rule
Casio Casio fx-3600p Bilimsel Hesap Makinesi. Çalışır durumda.