Toko TD-802D Handheld Electronic Calculator
date: label: date made
content: ca 1973
notes: label: Description
content: According to the Toko, Inc., website, Toko was established in Tokyo in 1955 as a manufacturer of components for portable radios with the name TOKO Radio Coil Laboratories. The firm continues to manufacture electronic components.
label: Description
content: This relatively large handheld electronic calculator has a plastic case and eighteen square keys with rounded corners. These include ten digit keys, a decimal point key, a total key, four arithmetic function keys, a clear entry key, and a clear key. A switch on the right of the top row of keys can be set to having the constant (K) on or off. Behind this is an on/off switch. Test left of it reads: TOKO MINI-8. Behind this is an eight-digit green vacuum fluorescent display. A jack for a power adapter is on the right side.
label: Description
content: At the base of the back is a compartment for four AA batteries. A mark on the cover reads: JAPAN. A sticker above the compartment gives “CALCULATION EXAMPLES.” Text at the base of the sticker reads: TD-802D SERIAL No. 834181. The back is held to the front by four metal screws. Unscrewing these, one finds a Texas Instruments chip marked: TMS0101ANCΔ (/) 7351.
label: Description
content: No advertisements found.
label: Description
content: References:
label: Description
content: Guy Ball and Bruce Flamm, <I>The Complete Collector’s Guide to Pocket Calculators</I>, Tustin, CA: Wilson/Barnett, 1997, p. 161.
label: Description
content: Toko, Inc., website, accessed June 3, 2015.
label: Location
content: Currently not on view
place: label: place made
content: Japan
setName: label: See more items in
content: Medicine and Science: Computers
label: See more items in
content: Computers & Business Machines
label: See more items in
content: Handheld Electronic Calculators
creditLine: label: Credit Line
content: Gift of John B. Priser
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: 1986.0988.082
label: catalog number
content: 1986.0988.082
label: accession number
content: 1986.0988
objectType: label: Object Name
content: electronic calculator
label: Other Terms
content: electronic calculator; Handheld
physicalDescription: label: Physical Description
content: plastic (case; keys; display cover material)
label: Physical Description
content: metal (circuitry material)
label: Physical Description
content: paper (sticker; key stickers material)
label: Measurements
content: overall: 1 1/4 in x 3 1/2 in x 5 7/8 in; 3.175 cm x 8.89 cm x 14.9225 cm