Western Auto TXI-4995 A 47 Handheld Electronic Calculator

This handheld electronic calculator has a tan and brown plastic case with nineteen square plastic keys. In addition to ten digit keys and a decimal point key it has four arithmetic function keys, a clear key, a clear entry key, a display key, and a percentage key. A mark in the top row of keys reads: W (/) A. A mark behind this reads: electronic WIZARD. A K/C switch is next to this. Behind is an eight-digit LED display.
A jack for a power adapter is on the back edge and a switch is on the left side.
The back of the calculator has a compartment for four AA batteries. A sticker on the compartment cover gives operating instructions. It is marked in part: Model No. TXI-4995 A 47 (/) Serial No. (/) 0007473 (/) ASSEMBLED IN U.S.A. AND DISTRIBUTED BY WESTERN AUTO SUPPLY CO.
Several electronic calculators made by Texas Instruments were distributed by the retailer Western Auto, some under the name “Electronic Wizard.” This one had the designation TXI- 4995. For a calculator made by TI for another distributor, see the Montgomery Ward P8F (1986.0988.143).
Online Datamath Calculator Museum, accessed July 8, 2015.
Currently not on view
Object Name
electronic calculator
date made
ca 1974
Western Auto Supply Company
Texas Instruments
Physical Description
plastic (case; keys material)
metal (circuitry material)
paper (sticker material)
overall: 1 1/2 in x 3 in x 5 3/4 in; 3.81 cm x 7.62 cm x 14.605 cm
place made
United States
ID Number
catalog number
accession number
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
Credit Line
Gift of John B. Priser
Additional Media

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