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| Time CALCULATOR, MR 413 | | RFT (Radio- und Fernsehntechnik), 1985 | | Functions: 7; Keys: 31; Precision: 8 | | The RFT MR413 time CALCULATOR is an arithmetic calculator with 8 digits precision and algebraic logic. It has 7 functions, 31 keys and an LCD (liquid crystal) display. The calculator was manufactured in DDR. | | |
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