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Pocket calculators | Sharp | Calculators
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Mechanical pocket calculators, pre-decimal
Mechanical pocket calculators for financial calculations before the digital era; how they worked; the Exactus pocket calculator
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HT question (Page 1) — Calculators & Pocket Computers — The 1-Bit Forum
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HoustonTracker 2 (TI-82/83/83+/84+) (Page 1) — Calculators & Pocket Computers — The 1-Bit Forum
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