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Complete 4004 chip-sets were sent to Busicom early in 1971 and by March Shima had built a working 141-PF calculator. In the following month Busicom started manufacturing the 141-PF calculator, together with other business equipment incorporating the chip-set.
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- Busicom 141-Pf
Their first calculator with a microprocessor is the Busicom 141-PF. Their entry based calculators, the Busicom LE-120A (Handy-LE) and LE-120S (Handy), [ 6 ] were the first to fit in a pocket and also the first calculators to use an LED display.
The first commercial microprocessor, the Intel 4004, was developed specifically for Busicom Corporation for use in its calculators. The Busicom 141-PF, sold also as the NCR 18-36, was the first product sold to incorporate a microprocessor, in fact to have "Intel Inside", as the advertising slogan goes. Busicom 141-PF / NCR 18-36.
In 1969, Nippon Calculating Machine Corporation approached Intel to design 12 custom chips for its new Busicom 141-PF* printing calculator.
Nov 15, 2023 · The 4004 was primarily used in calculators, the first being the Busicom 141-PF. In fact, it was Busicom that actually developed the design of what would become the Intel 4004. Busicom approached Intel to help them finalize the design and manufacture their “calculator engine”.
Engineers from Intel and Masatoshi Shima from Busicom led the development of the microprocessor 4004, which was completed in March 1971. In October of 1971 Busicom started selling the electronic calculator 141-PF, using this 4004, and supplied this product to other companies as an OEM.
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What is the difference between Busicom 121 PK and 141 PF?
In 1969, the Nippon Calculating Machine Corporation approached Intel to design 12 custom chips for its new Busicom 141-PF printing calculator. Intel's engineers proposed a new design of just four chips, including one that could be programmed for use.
