Summit MR 8 Handheld Electronic Calculator

This handheld electronic calculator has a tan plastic case with metal trim and twenty rectangular plastic keys. The keys include ten digit keys, a decimal point key, four arithmetic function keys, a total key, a % key, a clear key, and a clear entry key. The 9 key can also be used to assure that entries have a two decimal points in the digits (as in dollars and cents). The memory key may serve for storage or accumulation. Behind the keyboard is an eight-digit red LED display. The on/off switch is right of it. A power jack and light are on the back edge. A tag on the front reads: Summit.

A tag on the back of the calculator gives operating instructions. It reads in part: SUMMIT INTERNATIONAL CORP. (/) Serial No. 4538 Model MR 8 (/) Salt Lake City Utah MANUFACTURED BY NCE NUCLEAR (/) made in U.S.A.

Compare 1986.0988.072 and 1986.0988.287.

References:

[Advertisement], Los Angeles Times, October 21, 1973, p. D15. “New SUMMIT MR-8 Dual-memory rechargeable portable” advertised as selling for $199.95.

[Advertisement], Chicago Tribune, December 26, 1973, p. C8. Summit MR-8 calculator on sale for $89.88, regular price $119.95.

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