Object Details
- Casio Computer Company
- Description
- This credit card-sized, lightweight handheld electronic calculator has an aluminum case, plastic keys and display cover, a plastic circuit board, and various metal circuitry. In addition to an array of ten digit keys, a decimal point key, and a total key, it has a column of four arithmetic function keys immediately to the right of the digit keys, and a column with a percentage key and three memory keys on the far right. The on/off switch is above the keyboard and the AC (all clear) and clear keys are left of the digit keys. The eight-digit liquid crystal display is above and to the left of the keyboard. A mark below it reads: CASIO- MINI CARD (/) ELECTRONIC CALCULATOR (/) LC-78. A mark on the back reads: CASIO-MINI CARD (/) BM 1.5V x 2 (DC) 0.0006W (/) CASIO COMPUTER CO., LTD. (/) LC-78 MADE IN JAPAN.
- A screw on the right side of the back holds it to the front. Unscrewing it reveals the circuitry and a space for two squat cylindrical batteries. A sticker on the inside of the back of the case reads: 4595189. A mark on the chip reads: B6.
- According to an October, 1978, advertisement in the Los Angeles Times, the Casio LC78 was regularly priced at $29.99 and then on sale for $26.99. A December, 1978, advertisement in the same newspaper is entitled “For someone you love who loves being accurate: the math machines.” It describes several calculators, including the LC78. It gives a price of $29.99. By June 1980, the Washington Post lists a sale price for the Mini Card of $14.99.
- References:
- Los Angeles Times, October 18, 1978, p. F12.
- Los Angeles Times, December 10, 1978, p. A26.
- Washington Post, June 13, 1980, p. A29.
- Location
- Currently not on view
- Credit Line
- Gift of John B. Priser
- 1978-1980
- ID Number
- 1986.0988.023
- catalog number
- 1986.0988.023
- accession number
- 1986.0988
- Object Name
- electronic calculator
- Other Terms
- electronic calculator; Handheld
- Physical Description
- aluminum (case material)
- plastic (keys; circuit board; display window material)
- paper (sticker material)
- Measurements
- overall: 3/16 in x 2 1/8 in x 3 1/2 in; .4572 cm x 5.3975 cm x 8.89 cm
- place made
- Japan
- See more items in
- Medicine and Science: Computers
- Computers & Business Machines
- Handheld Electronic Calculators
- National Museum of American History
- Record ID
- nmah_334437
- GUID (Link to Original Record)
- https://n2t.net/ark:/65665/ng49ca746a1-35f3-704b-e053-15f76fa0b4fa
