| 摘要 |
PURPOSE:To prevent input and output of erroneous data to memories, by displaying a specific code when memory designation is made without memory clear processing, in a small sized electronic calculator provided with a memory protection function. CONSTITUTION:If memory designation is made without clear processing of a memory 3 after replacement of a battery 8, a specific code (.) is printed to memories M2-M3 and M5-M6 without clear processing and stored data in memories M1 and M4 with clear processing are read and printed, allowing to form a clear memory list. |
