S3-07

Calculator
Date of appearance: 1975
Trademark: Elektronika
Made in: USSR
Dimensions: 133 × 61.5 × 227 mm
Weight: up to 1 kg kg
Tags: museumofsovietcalculators


In 1976, Svetlana (St Petersburg, then-Leningrad) started manufacturing the Elektronika S3-07 calculator. The calculator had large keys, and early models displayed numbers with a smooth backlight, which was removed in later models. Elektronika S3-07 is similar to Elektronika 24-71. The calculator has as few as 15 keys, which means that some functions had to be combined in one key, namely „+ =„ and “- =„, as well as „х -:-“. To multiply 2 by 3, one needs to press “2„, “х -:-„, „3“, „+ =„, and to divide 2 by 3 the sequence is “2“, „х -:-“, “3„, “- =„. Addition and subtraction follow the model of Elektronika B3-04, i. e. to subtract 3 from 2 the key press sequence would be „2“, “+ =„, “3″ and „- =“. The device is equipped with a rare IV-2 eight-digit vacuum fluorescent display. The same display is installed in Elektronika 24-71, which was modelled after Elektronika S3-07. The calculator is powered by a 220V mains supply. Power intake — 25 VA or less. The maximum time of continuous operation was 24 hours.

S3-07
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