![File:Vintage Unisonic Electronic Pocket Calculator, Model 890C, VFD (Vacuum Fluorescent) Display, Sealed Battery Pack, Made In Japan, Circa 1975 (16390017822).jpg - Wikimedia Commons File:Vintage Unisonic Electronic Pocket Calculator, Model 890C, VFD (Vacuum Fluorescent) Display, Sealed Battery Pack, Made In Japan, Circa 1975 (16390017822).jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/thumb/6/66/Vintage_Unisonic_Electronic_Pocket_Calculator%2C_Model_890C%2C_VFD_%28Vacuum_Fluorescent%29_Display%2C_Sealed_Battery_Pack%2C_Made_In_Japan%2C_Circa_1975_%2816390017822%29.jpg/1923px-Vintage_Unisonic_Electronic_Pocket_Calculator%2C_Model_890C%2C_VFD_%28Vacuum_Fluorescent%29_Display%2C_Sealed_Battery_Pack%2C_Made_In_Japan%2C_Circa_1975_%2816390017822%29.jpg)
File:Vintage Unisonic Electronic Pocket Calculator, Model 890C, VFD (Vacuum Fluorescent) Display, Sealed Battery Pack, Made In Japan, Circa 1975 (16390017822).jpg - Wikimedia Commons
![Victor Technology 1240-3A - Printing calculator - VFD - 12 digits - AC adapter - black, silver - Walmart.com Victor Technology 1240-3A - Printing calculator - VFD - 12 digits - AC adapter - black, silver - Walmart.com](https://i5.walmartimages.com/seo/Victor-Technology-1240-3A-Printing-calculator-VFD-12-digits-AC-adapter-black-silver_65b9cb71-599e-489e-8c6b-37d6df4b2611.7752715b40e00b6ea2fd77cbe348ba8d.jpeg)
Victor Technology 1240-3A - Printing calculator - VFD - 12 digits - AC adapter - black, silver - Walmart.com
![Found & fixed up a rare working Sharp's first pocket scientific calculator PC-1801 (1973) with red LED pictured next to a PC-1802 with VFD (1975) and financial EL-8200 with VFD (1975) : r/calculators Found & fixed up a rare working Sharp's first pocket scientific calculator PC-1801 (1973) with red LED pictured next to a PC-1802 with VFD (1975) and financial EL-8200 with VFD (1975) : r/calculators](https://preview.redd.it/found-fixed-up-a-rare-working-sharps-first-pocket-v0-o55atirtz8bb1.jpg?width=640&crop=smart&auto=webp&s=6778f371672ca731583e38b533ea927a5508d17b)
Found & fixed up a rare working Sharp's first pocket scientific calculator PC-1801 (1973) with red LED pictured next to a PC-1802 with VFD (1975) and financial EL-8200 with VFD (1975) : r/calculators
![File:Vintage Bohn Omnitrex Electronic Pocket Calculator, Made In Taiwan, VFD, Circa 1973 (15992278795).jpg - Wikimedia Commons File:Vintage Bohn Omnitrex Electronic Pocket Calculator, Made In Taiwan, VFD, Circa 1973 (15992278795).jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/d/db/Vintage_Bohn_Omnitrex_Electronic_Pocket_Calculator%2C_Made_In_Taiwan%2C_VFD%2C_Circa_1973_%2815992278795%29.jpg)
File:Vintage Bohn Omnitrex Electronic Pocket Calculator, Made In Taiwan, VFD, Circa 1973 (15992278795).jpg - Wikimedia Commons
![RetroComputerClub on X: "#Commodore US1 #calculator (1972-1975) #vintagecalculator #vintagecomputing #70s #led #vfd #bitstory https://t.co/xAwznnaeGV" / X RetroComputerClub on X: "#Commodore US1 #calculator (1972-1975) #vintagecalculator #vintagecomputing #70s #led #vfd #bitstory https://t.co/xAwznnaeGV" / X](https://pbs.twimg.com/media/Do0gaohXUAETdCa.jpg:large)