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1971
- 1971. Made in Japan, by Busicom Corporation.
www.vintagecalculators.com/html/busicom_141-pf.html
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What is the difference between Busicom 121 PK and 141 PF?
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.
This engineering prototype was the successful test bed for the first commercial application of the Intel 4004 microprocessor. The prototype, shown with all four members of the MCS-4 family visible, was presented to Intel project leader Federico Faggin by Busicom president Yoshio Kojima.
Nov 15, 2023 · It all started thanks to Nippon Calculating Machine Corp. asking Intel to produce 12 custom chips for the Busicom 141-PF printing calculator.
- Adam Conway
- Lead Technical Editor
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”.
