Calculatrice HP-35 – CollecSciences

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Real Engineers Use HP Calculators 50 years ago this month Hp rolled out the very first hand-held scientific calculator called, the Hp-35

The HP-35 Calculator

My dad gave me his hp calculator collection, hp-35 s/n 65, hp-45 s/n 1, hp-80 lab prototype s/n 92, and few more : r/calculators

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Hewlett Packard HP-35

HP 35s A Brief Introduction to RPN

Calculator, Pocket, Electronic, HP-35

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HP 35s Scientific Calculator