| 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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