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First handheld calculator headlines auction of mathematical treasures
Timeline
/https://www.thestar.com/content/dam/thestar/business/2017/05/15/startup-company-desmos-takes-on-texas-instruments-in-hand-held-calculator-market/calculators.jpg "Startup company Desmos takes on Texas Instruments in hand-held calculator market | The Star")
Startup company Desmos takes on Texas Instruments in hand-held calculator market | The Star
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TI Cal-Tech: World's First Pocket Electronic Calculator
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The History Of The Calculator: When was the Calculator First Invented?
