Artifact Details

Title

HP-55 calculator

Catalog Number

X198.83A

Type

Physical object

Date

1975

Manufacturer

Hewlett-Packard Company (HP)

Place Manufactured

U.S.

Identifying Numbers

Model number HP-55
Serial number 1509A03916

Dimensions

1 1/4 x 3 x 5 3/4 in.

Description

This item comprises two pieces: A: Calculator B: Battery pack (corroded cells) A Scientific Calculator, the HP-55 was the very first keystroke programmable calculator/timer offered by HP. The calculator used a crystal oscillator, instead of the LC oscillator used in other HP calculators, thus making the stopwatch feature very accurate. Original price: $395.. Dimensions are of the calculator

Category

Calculator: electronic

Lot Number

X198.83A-B