Electronic Slide Rule Calculators in the ISRM Archives

We are trying to obtain all the physical specimens, as shown above, for the permanant ISRM archives and to be used for public exhibits. If you can help by providing your personal SR claculator it would be appreciated by all who will view it.

Wanted HP-15, SR-40P, TI: SR-20, 22, 60, 60A. Aristo 75M

Calculators - basic/slide rule/scientific/programmable 1972-1979 (LED)

Calculators - modern LCD scientific

Need 1973-1977 TI & HP AC Chargers for orphaned calculators:

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