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Microcalculator "Electronics MK-60" has been produced since 1982 by one of the Moscow defense plants. ,86e6f450b8cc469628ba70bf2947b049This is the first domestic solar powered calculator. ,86e6f450b8cc469628ba70bf2947b049The calculator performs four arithmetic operations: changing the sign of a number, extracting the square root, calculating percentages, memory operations, and correcting an erroneously entered number. ,86e6f450b8cc469628ba70bf2947b049Shutdown is provided after 10 minutes of inactivity. ,86e6f450b8cc469628ba70bf2947b049MK price before 1991 - 45 rubles.,86e6f450b8cc469628ba70bf2947b049,null,ru,null,null,null,null