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HP-55

Colorado School of Mines. Information & Technology Solutions
; 
Hewlett-Packard Company
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Date
2018
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Calculators
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Mines Technology Museum
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https://hdl.handle.net/11124/172499
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Abstract
The HP-55 programmable calculator came out a year after the HP-67 for a much lower price. It only had 49 lines of program memory (as compared to the HP-67's 224 lines). It did however offer twice as many storage registers, more pre-programmed functions, and a quartz-controlled timer. Today's price (2011) adjusted for inflation, would still be formidable $1,420.
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