Preserved models > HP and Compaq
Producer: HP and Compaq - Category: Personal Computer
Desktop programmable calculator, 1969, Hewlett-Packard. The HP 9100B is the enhanced version of the 9100A of 1968, the first desktop scientific computer made by HP, built without integrated circuits and with a CRT display; the B model doubles the program memory and the number of registers and adds subroutines.
| Year | 1968 (9100A), 1969 (9100B) |
| Manufacturer | Hewlett-Packard |
| Model | HP 9100B |
| Computing times | addition and subtraction 2 ms, multiplication and division 35 ms, square root 40 ms, sin/cos/tan 332 ms, ln x 56 ms |
| Significant digits | 12 |
| Memory registers | 32 in the 9100B (16 in the 9100A), magnetic core |
| ROM | 32,000 bits |
| Program steps | 392 in the 9100B (196 in the 9100A), with subroutines |
| Program storage | magnetic cards |
| Peripherals | plotter (9125A), printer (9120A) |
| Base price (1968) | $4,900 |