MK-23A

Calculator
Date of appearance: 1988
Trademark: Elektronika
Made in: USSR
Dimensions: 74 × 31 × 125 mm
Weight: 300 g
Tags: museumofsovietcalculators


Production of the Elektronika MK-23A (formerly the B3-23) started at Iskra (Ulyanovsk) in 1979. With its slick leather cover and large buttons, this user-friendly RUB 18 microcalculator was popular with physics and mathematics students. It could perform the four arithmetic operations and calculate percentages. The device was equipped with a nine-digit red LED display, with one of the digits reserved for the number sign. The Elektronika MK-23A was a modified model that had a vacuum fluorescent display and offered a rooting function instead of percentages. These models ran on three AA batteries or through an optional line adapter (available for an extra RUB 7).

MK-23A
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