Math Matic 915 Handheld Electronic Calculator

Description
This handheld electronic calculator has a black plastic case and sixteen oval plastic keys. In addition to an array of ten digit keys and a decimal point key, it has a clear key, four function keys, and a total key, The on/off switch is to the left of the clear key. A sticker between them reads: 915. Behind the keyboard is an eight-digit red LED display.
The back of the calculator has a battery compartment at the bottom. A sticker on the compartment door reads: BATTERY DOOR (/) PRESS HERE (/) MFG. BY (/) MATH MATIC (/) HAMDEN, CONN. (/) 06518 (/) 85939 (/) MADE IN U.S.A. A jack for a power adapter is just above the center of the back.
The calculator has a black plastic carrying pouch.
A December 1976, newspaper column reports that a consumer purchased two Math Matic 915 calculators in May of that year.
Reference:
“Helpmate,” Hammond Times, December 17, 1976, p. 41.
Location
Currently not on view
Object Name
electronic calculator
date made
ca 1976
maker
Macmillan Company
Physical Description
plastic (case; keys; display cover; carrying pouch material)
metal (circuitry material)
paper (stickers material)
Measurements
overall: 1 in x 2 1/2 in x 4 1/2 in; 2.54 cm x 6.35 cm x 11.43 cm
place made
United States: Connecticut, Hamden
ID Number
1986.0988.255
catalog number
1986.0988.255
accession number
1986.0988
See more items in
Medicine and Science: Computers
Handheld Electronic Calculators
Computers & Business Machines
Data Source
National Museum of American History, Kenneth E. Behring Center

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