This is a rare vintage lot of four (4) original Hewlett-Packard HP-55 Programming Pads.

These pads were originally issued in the mid-1970's alongside the iconic HP-55 programmable scientific calculator. They allowed engineers, scientists, and students to manually map out their keystroke program steps and register memory layouts before entering them into the machine.

This lot is a perfect find for retro-computing collectors, vintage electronics enthusiasts, or anyone looking to complete their vintage boxed HP calculator set.

Lot Condition Details:

• 3 Unmarked Pads: These three pads are clean, vintage stock. The pages are crisp, completely blank, and have no handwriting or program entries inside. Covers show minor vintage shelf wear.

• 1 Partial Pad: This pad is roughly half full of sheets, and clean with no markings on any page.