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Hewlett-Packard 9100A - Wikipedia The P101, and particularly the magnetic card, was covered by a US patent (3,495,222, Perotto et al ) and this gave to Olivetti over $900 000 in royalties by HP alone, for the re-use of this technology in the HP9100 series
HP 9100A B The HP 9100, built with magnetic core memory, printed circuit board ROM, a CRT display (and not a single digital IC chip) provided industrial strength calculating in a machine that weighed 40 pounds and cost just under $5000
Hewlett-Packard 9100 Programmable Calculator Your programs, both of general interest and in specialized applications categories, will help to keep other calculator owners better informed and increase the efficiency with which the HP 9100 is utilized throughout the world
Hewlett Packard 9100B Programmable Electronic Calculator The HP 9100 calculators were not the first calculator to utilize RPN entry The Friden 130 was the first calculator to use stack-based logic for problem entry However, Mathatronics, with their Mathatron calculator patented the stack principle for internal use in an Algebraic-Entry calculator
HP 9100 - 知乎 - 知乎专栏 HP 9100 内置磁芯存储器、印刷 电路板 ROM、CRT 显示器(而不是单个数字 IC 芯片),在一台重 40 磅、成本不到 5000 美元的机器中提供了工业强度计算。
HP 9100 Technology and Packaging The HP 9100 came in an attractive die cast aluminum case that still looks good decades later Aluminum was selected because it offered excellent RFI shielding, good heat transfer and it was strong and durable
HP Officejet 9100 系列多功能一体机 用户指南 | 惠普®客户支持 惠普客户支持 搜索 搜索所有支持 示例: “LaserJet M1005 hp support assistant”, “Omen 15-ax016tx bios” 信息 了解如何升级到 Windows 11 Windows 11 升级指南 信息