Canon calculators vintage 1970

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An electronic calculator is typically a portable electronic device used to perform calculationsranging from basic arithmetic to complex mathematics. The first solid-state electronic calculator was created in the early s. Pocket-sized devices became available in the s, especially after the Intelthe first microprocessorwas developed by Intel for the Japanese calculator company Busicom.

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However, the first hand-held calculator with scientific or 'slide rule' functions that was offered to the public was by Hewlett-Packard. The HP was named by Bill Hewlett for the number of keys on the calculator and in was the beginning of the demise of the slide rule as we know it, Hewlett-Packard announced the HP as a fast, extremely accurate electronic slide rule with a solid-state memory similar to that of a computer. Some students sold their cars to be able to afford one.

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It all started with this little programmable SR56 calculator. I bought it inbuild a small program for it and became a Philips software engineer one year later. In I was cleaning my attic and found it.

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From Wikimedia Commons, the free media repository. Media in category "Canon calculators" The following 58 files are in this category, out of 58 total. Canon Canola P

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Three very early hand-held calculators from the same stable, with output printed on thermal paper tape. Canon Pocketronic. Distinctive features: One of the first hand-held, battery-powered calculators.

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Starting indesktop calculators based on vacuum tubes were introduced to replace the mechanical and electromechanical calculators that had been widely used in business, engineering and science. Electronic calculators were more durable, faster, and silent. In the mids vacuum tubes were replaced by discrete transistors to provide more functionality and greater durability. By the mids, small battery-powered pocket calculators, implemented with integrated circuits, had replaced desktop calculators and were rapidly replacing the previously indispensable engineering slide rules.

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In the early s the Canon Camera Company foresaw that business machines offered it an area with large growth potential. The company also had a great need for calculators for use by its lens designers, and so as part of its expansion it developed its own range of electronic calculators. Canon produced desktop electronic calculators in the late s and early s under the Canola tag.

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