Magic-Brain Calculator - Calculator - Computing History

The MagicBrain Calculator was manufactured in 1955 by the Chadwick Company, this early calculator was operated using a stylus, and could perform addition, subtraction and multiplication calculation

Nice example of this pre electronic adding device as first introduced in 1962. This is the original type that was produced in Japan. The pocket sized

Magic Brain Calculator-Original Pocket Math Device-1960s-Made In Japan

Magic Brain calculator, 102732461

Powerhouse Collection - Two Magic Brain pocket calculators

Life is math, a Calculator is what you need!

Standards, Free Full-Text

The History Of The Calculator: When was the Calculator First Invented?

Calculator - Exactus Mini-Add, Pocket Model, circa 1950

Magic Brain Calculator - How to Add

National Museum of American History

Calculators Drawings for Sale - Fine Art America

Pocket Calculator Isn't A Brain Or Magic

Vintage Chadwick Magic Brain Calculator on A La Modern

The History Of The Calculator: When was the Calculator First Invented?

Schibsted:: Machines like us - a brief history of artificial intelligence #futurereport