Get your hands on a vintage Hewlett-Packard HP 25 calculator, complete with its Original case, guide and a RARE customs declaration card 1978. This used calculator is a rare find and is in “Untested” Good condition, perfect for collectors or those looking for a piece of computing history.

The HP 25 was manufactured in Singapore and features advanced functions for its time, including trigonometric and logarithmic functions. With its sleek and compact design, this calculator is easy to use and transport. Don't miss out on the opportunity to own a piece of vintage electronics history with this Hewlett-Packard HP 25 calculator.

UNTESTED, but to my knowledge it has never been touched using its charge cable (no cable) or other batteries. These are the original batteries with a slight corrosion on one end but minor. I’m leaving everything the way it was with no tampering except to pullout the battery compartment for photos.