HP-41 rom - AP550 A3 - 1 and 2 ?
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02-15-2017, 03:28 AM
Post: #4
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RE: HP-41 rom - AP550 A3 - 1 and 2 ?
There were no bids and the auction ended.
The TI AP-550 CROM was made by Horizon Technology Inc. for nuclear weapon calculations. One of our members has some EPROM modules for the 71B along with some other cold war calculators from HTI. From the link: By 1984 desktop computers and hand held programmable calculators were available and a newsletter that was distributed with the rule mentioned that the [Defence Nuclear Agency] was currently supporting the HP-41/HP-71, IBM PC, IBM PC/XT and Zenith Z-100. |
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