TI Cal-Tech: World's First Pocket Electronic Calculator
Jerry Merryman, the man who helped invent the hand-held calculator, has died | CNN Business
A history in calculators
The History Of The Calculator: When was the Calculator First Invented?
File:Vintage Magic Brain Mechanical Pocket Calculator, Made in Japan (11591234036).jpg - Wikimedia Commons
First handheld calculator headlines auction of mathematical treasures
The History Of The Calculator: When was the Calculator First Invented?
POCKET CALCULATOR (Inventions)
The World's First Handheld Calculator Is Up for Auction
Jerry Merryman, Inventor of the Pocket Calculator, Dies at 86
The Calculators Brief History: When was the calculator invented
TI Cal-Tech: World's First Pocket Electronic Calculator
File:Vintage Casio Pocket-Mini (aka P811) LED Handheld Electronic Calculator, Made in Japan, Circa 1976 (8714450871).jpg - Wikimedia Commons
Design history of the pocket calculator
Nerd Alert: 7 Iconic Calculators of Yore | PCMag
Margins Group on X: "#DidYouKnow... the first scientific pocket calculator was invented 50years ago? Learn more about the HP35 in today's #TechTuesday. #MarginsGroup #Calculator https://t.co/gAJ4fckQja" / X
The History Of The Calculator: When was the Calculator First Invented?
The Pocket Calculator Race
Jerry Merryman, Co-Inventor of the Pocket Calculator, Dies at 86 - The New York Times
The History Of The Calculator: When was the Calculator First Invented?
How much was the first pocket calculator and what was it? - Quora
Brilliant' inventor who co-created first handheld calculator in 1967 dies | Metro News
First Electronic Calculator Prototype – Joy of Museums Virtual Tours
World's first handheld calculator up for grabs - BBC Newsround
Electronic Calculators: Desktop to Pocket - Engineering and Technology History Wiki
