File:'Enter' key of RPN mathematic notation (a calculation system) on HP-32SII Hewlett-Packard pocket calculator.jpg
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Description'Enter' key of RPN mathematic notation (a calculation system) on HP-32SII Hewlett-Packard pocket calculator.jpg | HP-32SII Hewlett-Packard programmable pocket calculator, whereby the image is showing a small section from the keyboard around the "Enter" key. This is somehow equivalent to the =-key on most standard (pocket) calculators, but the handling of entering the numbers and the operands (the latter being, e.g., the '+' in 2 + 5) is different with this type of calculator, as it uses en:Reverse Polish notation (RPN). | ||||||
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Source | Own work | ||||||
Author | Pittigrilli | ||||||
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 19:56, 27 January 2023 | 1,086 × 573 (252 KB) | Pittigrilli (talk | contribs) | File:HP-32SII Hewlett-Packard programmable calculator.jpg cropped 47 % horizontally, 84 % vertically using CropTool with precise mode. |
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