Object Details
maker
Sinclair Radionics Ltd.
Description
This handheld electronic calculator has a white plastic case and nineteen rectangular plastic keys. These include ten digit keys, a decimal point key, four arithmetic function keys, a total key, a clear/clear entry key, and an exchange key. These keys also can be shifted to represent trigonometric and inverse trigonometric functions, memory, square roots, natural logarithms, exponents, inverses, and pi. To the right on the top row of keys is an on/off switch.
Text behind the keyboard reads: sinclair (/) Cambridge Scientific. Behind this is an eight-digit purple LED display.
The back of the calculator has a compartment for two AAA batteries. A mark on the lid to this compartment reads: Sinclair (/) MADE IN ENGLAND.
Reference:
[Advertisement], Chicago Tribune, December 8, 1974, p. E30. Sinclair scientific calculator advertised as on sale for $89.95.
Location
Currently not on view
Credit Line
Gift of John B. Priser
date made
1974
ID Number
1987.0435.18
catalog number
1987.0435.18
accession number
1987.0435
Object Name
electronic calculator
Physical Description
plastic (case; keys material)
metal (circuitry material)
Measurements
overall: 3/4 in x 2 in x 4 3/8 in; 1.905 cm x 5.08 cm x 11.1125 cm
place made
United Kingdom: England
See more items in
Medicine and Science: Computers
Computers & Business Machines
Handheld Electronic Calculators
Data Source
National Museum of American History
Link to Original Record
Record ID
nmah_214342