HP35

HP35 Internal Photographs & Information

By Alex Knight, May 14, 1998

HP35 early version main PCB - this PCB is from an early HP35V2 machine that has the ROMs with the logarithm bugs.
HP35 later version main PCB - this PCB is from a later HP35V4 machine.

HP35 Errata sheet describing the logarithm and trigonometric function error conditions.

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