Just for fun, here are some on-line copies of vintage HP computer /calculator software and documents.
Early Hewlett-Packard Software ...
| Date | Notes |
| 1976-APL | APL Programming language brochure (1976) |
Early Hewlett-Packard Calculators ...
| Date | Notes |
| HP 48S 48SX | HP 48S / 48SX calculator brochure (1991) |