| Brand | HP |
|---|---|
| Model | 41 67 97 |
| Vintage | Yes |
Check the listing for details. Vintage HP Hewlett-Packard Blank Program Cards Case w/ Handwritten Programs. Condition: Used. Listed at 22.45 USD. These cards date to the classic HP programmable calculator era and includehandwritten program labels covering functions such as impedance, blackjack programs, root finder, and conversion routines. Handwritten program labels present (see photos).
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