Montgomery Ward P203 Handheld Electronic Calculator

Description
This handheld electronic calculator has a plastic case with a metal keyboard and an array of twenty-seven rectangular plastic keys. These include ten digit keys, a decimal point key, a total/constant key, four arithmetic function keys, four memory keys, a memory exchange key, an inverse key, a square key, a square root key, a percentage key, an exchange key, and a clear entry/clear key. The on/off switch is in the top row of keys. To the left of these a mark reads: MONTGOMERY (/) WARD (/) P203. Behind the keyboard is an eight-digit vacuum fluorescent display. A jack for a power adapter is on the right side.
The back of the calculator has a compartment at the top for a nine-volt battery. A sticker below the battery compartment reads: WARDS P-203. Further text reads: MODEL NO. DAN-8751 (/) SERIAL NO. 67X 004855 (/) Distributed By (/) Montgomery Ward & Co., Inc. (/) Chicago, Illinois 60671 (/) 7545 MADE IN JAPAN.
The DAN in the model number indicates that the calculator was made for Montgomery Ward by APF Electronics. Compare the APF Mark 31 (1986.0988.168).
The zippered leather case has a loop at the back so the case could be carried on a belt. A tag inside the case reads: Made in (/) U.S.A. (/) #50.
Reference:
Online Datamath Calculator Museum, accessed August 29, 2014.
Location
Currently not on view
date made
ca 1976
maker
Montgomery Ward
APF Electronics
place made
Japan
Physical Description
plastic (case; keys; display cover; carrying case material)
metal (keyboard; circuitry; zipper material)
Measurements
calculator only: 7/8 in x 2 7/8 in x 5 3/8 in; 2.2225 cm x 7.3025 cm x 13.6525 cm
overall: 3.7 cm x 8 cm x 21.6 cm; 1 15/32 in x 3 5/32 in x 8 1/2 in
ID Number
1986.0988.083
catalog number
1986.0988.083
accession number
1986.0988
Credit Line
Gift of John B. Priser
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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