Geek Facts for September 21st – A Trio of TI Calculators
In 1972, Texas Instruments (TI) entered the electronic calculator market with the introduction of three models. TI-2500 Also known as the Datamath, it offered four-function, full-floating decimal point with an eight-digit LED display. Also rechargeable it was originally priced at $149.95 when announced in April […]
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