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Texas Instruments TI-59 Programmable Calculator Demo
Texas Instrument TI-58/59 Programmable calculator and the PC-100C from 1977 - Erix Collectables #76
Plus42 Review - An Enhanced HP-42S Calculator Simulator
TI-66 Programmable from 1983
HP 42S Scientific Calculator from 1988
HP 28C Scientific Calculator from 1987 - A new beginning
HP 12C Platinum Financial Calculator REVIEW
Changing Parameters on a Fanuc Control