Canon Model P7-D Desktop Electronic Calculator

Description
By 1980 compact printing electronic calculators like this one offered an inexpensive alternative for businesses and individuals doing arithmetic. The compact, lightweight, printing desktop electronic calculator has an array of nine digit keys with a 0 key, a decimal point key, and a percentage key below this. Further keys are for arithmetic functions, memory, and cancellation.The print switch is directly in front of the 11-digit display. Behind the display is the printing unit. It's paper tape is 4 cm. (1.5 inches) wide.The printer uses regular paper.
The device is tagged on the front: Canon P7-D. A mark stamped into the base at the back reads: 795333. A plastic tag in front of this reads: Canon P7-D. It also reads: JAPAN. The calculator operates either from nickel-cadmium batteries or through an adapter. No adapter is present.
The Japanese firm of Canon Incorporated introduced a printing electronic calculator, the P10-D, in 1978. This is a lighter version of that machine, with a narrower paper tape, that apparently was introduced in the United States by early 1980. It sold for about $75. In mid-1980 Canon advertised that it sold five versions of its “printer display” or “PalmPrinter” electronic calculators. At least three of these, including the P7-D, were still on sale in 1985.
References:
[Advertisement], Popular Science, 212, #3, March 1978, p.23. This is an advertisement for the P10-D.
[Advertisement], Los Angeles Times, January 17, 1980, p. E5.
[Advertisement], Chicago Tribune, January 20, 1980, p. N A10.
Suzanne Slesin, “Home Beat,” The New York Times, January 31, 1980, p. C3.
[Advertisement], Popular Science, 216, #7, July, 1980, pp. 38–39.
[Advertisement], Los Angeles Times, May 17, 1985, p. D5.
Location
Currently not on view
date made
ca 1980
maker
Canon, Inc.
place made
Nihon: Nihon
Physical Description
plastic (case, keys material)
paper (tape material)
metal (printer material)
Measurements
overall: 9 in x 3 1/4 in x 1 3/4 in; 22.86 cm x 8.255 cm x 4.445 cm
ID Number
1986.0988.203
catalog number
1986.0988.203
accession number
1986.0988
Credit Line
Gift of John B. Priser
subject
Business
See more items in
Medicine and Science: Computers
Desktop Electronic Calculators
Computers & Business Machines
Data Source
National Museum of American History, Kenneth E. Behring Center

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