Casio Memory 8-F calculator from '75. Just arrived today, and exactly the one I had as a kid, maybe 9. It was NOS, brand new in open box. Came with user manual
Casio Memory-8F (H-812)
MyCalcDB : Calculator Casio MEMORY-8F aka H-812
Calculadora Casio memory-8F d'occasion pour 10 EUR in Madrid sur WALLAPOP
Casio Memory A-1 Handheld Electronic Calculator | National Museum of American History
CASIO MEMORY 8S remove - YouTube
Casio MEMORY- 8F Electronic Calculator JAPAN Collectable | eBay
File:Vintage Casio Memory-8 Handheld LED Electronic Calculator, Made in Japan, Circa the 1970s (8716119504).jpg - Wikimedia Commons
Casio Memory-8R Handheld Electronic Calculator - Model Y-811 | National Museum of American History
calculators/Casio MEMORY-8F - calculator.org
Casio Memory-8F (H-812)
CASIO MEMORY 8F H-812 ELECTRONIC CALCULATOR MADE JAPAN WORKS with Manual | eBay