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Old Calculator Web Museum Documentation Archive

Friden 1151 Programming Manual

This document is the programming reference manual for the Friden 1151 Programmable electronic calculator.

The Friden 1151 is essentially the same as the Programmable Friden 1152, but omits the automatic square root function. The 1151 uses a mix of small and medium-scale DTL and TTL logic IC logic, combined with a magnetostrictive delay line for the register storage.

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Friden 1151 Programmable Calculator Programming Manual
Document Scan Courtesy of Mr. Al Kossow, bitsavers.org

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