![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/thumb/d/db/Vintage_Bohn_Omnitrex_Electronic_Pocket_Calculator%2C_Made_In_Taiwan%2C_VFD%2C_Circa_1973_%2815992278795%29.jpg/1200px-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
![scientific calculator * SHARP [EL-5000] sharp Showa Retro count machine VFD display fluorescence tube display : Real Yahoo auction salling scientific calculator * SHARP [EL-5000] sharp Showa Retro count machine VFD display fluorescence tube display : Real Yahoo auction salling](https://auctions.c.yimg.jp/images.auctions.yahoo.co.jp/image/dr000/auc0410/users/03adba364469d6b7503b902aa4ac948d6f20ba14/i-img1200x900-15404826856mesao1533331.jpg)
scientific calculator * SHARP [EL-5000] sharp Showa Retro count machine VFD display fluorescence tube display : Real Yahoo auction salling
![RetroComputerClub on Twitter: "#Commodore US1 #calculator (1972-1975) #vintagecalculator #vintagecomputing #70s #led #vfd #bitstory https://t.co/xAwznnaeGV" / Twitter RetroComputerClub on Twitter: "#Commodore US1 #calculator (1972-1975) #vintagecalculator #vintagecomputing #70s #led #vfd #bitstory https://t.co/xAwznnaeGV" / Twitter](https://pbs.twimg.com/media/Do0gaohXUAETdCa.jpg:large)
RetroComputerClub on Twitter: "#Commodore US1 #calculator (1972-1975) #vintagecalculator #vintagecomputing #70s #led #vfd #bitstory https://t.co/xAwznnaeGV" / Twitter
![This calculator is so old that they were still experimenting with how the digits should be displayed.. And yes, that is actually how the zero looks. : r/interestingasfuck This calculator is so old that they were still experimenting with how the digits should be displayed.. And yes, that is actually how the zero looks. : r/interestingasfuck](https://preview.redd.it/nrd3gimaw36y.jpg?auto=webp&s=0ac0f93bb9eab3a481257b2123353c2ac5f42f69)