HP-41C Synthetic Programming

Caution Many of these instructions were intentionally left out because used incorrectly they can confuse the calculator and cause either a lockup or a « Memory Lost » state. (If you get into the former state, you may need to remove the batteries to reset the calculator.) You should backup anything important before first engaging in Synthetic […]

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Digital Equipment Corporation PDP-12

The PDP-12 was a 12 bit machine introduced in 1969. It sold for $27,900. The PDP-12 was designed as a successor to the LINC-8 and was compatible with LINC-8 software. DEC.PDP-12.1963.102646098 Programmed Data Processor (PDP) was a series of minicomputers made and marketed by the Digital Equipment Corporationfrom 1957 to 1990. The name « PDP » intentionally […]

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HP-41C/CV/CX

Around the time of the HP-67, an article in the Hewlett-Packard Journal, stated that electronic technology was no longer the only limitation of pocket calculator progress. The human interface was becoming an even greater barrier to adding more functionality. The HP-67 was an excellent example of the problem. It had three shift keys and most […]

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Tandy Catalog Numbers for Computers, Peripherals, and Software

source: Tim Mann *************************************************************************** ** This list is historical information about computer-related products ** ** that Radio Shack sold in the 1980’s. It is NOT a list of items that ** ** I have or am selling, so please don’t ask me where you can get them. ** ** Radio Shack has probably discontinued most […]

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