John Wolff's Web Museum - Early Electronic Calculators - Desktop
Victor 3900 - Wikipedia
Your First Calculator? (It may not have been digital!)
Paragon CRT® Lens Calculator on the App Store
Litton Monroe 820A from 1970 - View of the CRT display | Old calculator, Desktop calculator, Crt
Bonhams : Friden 132 Electronic Calculator. Metal and plastic case, San Leandro, CA, 1965,
delay lines - CRT-Screen-Compact-Desktop-Calculators of the 60's, could versions of this tech have been made as word-processors or even video-games? - Retrocomputing Stack Exchange
Old Tv With Calculator And Pencil Stock Photo - Download Image Now - Accountancy, Analyzing, Arts Culture and Entertainment - iStock
SLCE Calculator for Fast and Accurate calculations (Black) | eBay
c. 1970 Singer Friden 1166 Calculator with 3" CRT : r/cassettefuturism
Descal ASI-500 Calculator
Figure 3 from STARS: Electronic Calculators: Desktop to Pocket | Semantic Scholar
Paragon CRT® Lens Calculator by CooperVision, Inc.
Calculator Displays
Tube Time (@tubetime@mastodon.social) on Twitter: "this is one of the world's first electronic calculators, the Friden EC-130, which came out in 1964! it's a really fascinating machine, so let's look at it
Iskra 1122. Soviet electronic calculator with CRT tube - YouTube
Friden EC-130 & EC-132
One of world's first electronic calculators, Friden EC-130, with CRT display and mechanical keys ($2100 in 1964, about $20,000 today) : r/EngineeringPorn
Victor 14-322 Electronic Calculator
Misc. Computer Items
The Calculator Review: The Calculator Want List
Sigma TR 4412 Table Office Calculator Power Powered 12 Digit BIG Display | eBay
HP 9100A/B
Hewlett-Packard 9100A - Wikipedia
Misc. Computer Items
Hewlett Packard 9100B Programmable Electronic Calculator
HP 9100A/B
