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Roylco HP 12C Financial Calculator - 120 Functions - Rate Set Feature, Built-in Memory, LCD Display - 1 Line(s) - 10 Digits - LCD - Battery Powered - Battery Included - 5"
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MyCalcDB : Calculator Hewlett-Packard 11C aka Voyager 1.0
HP Prime G2 Calculator | HP® US Official Store
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HP 11C
Amazon.com: HP 11C Scientific Calculator : Office Products
My Hp 12C. Bought it when I graduated from college in 1984. Replaced the battery 1 time. Still calculates everything I need. : r/BuyItForLife
Working HP-11C Scientific Calculator w/ Case | eBay
Amazon.com: HP 11C Scientific Calculator : Office Products
Hewlett Packard HP11C Calculator Battery at Batteries Plus
RPN calculators
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