| 摘要 |
PURPOSE:To easily correct the erroneous input of data by using a memory means to store all input data. CONSTITUTION:A keys input part 1 includes the ten keys 1a, a data key 1b, a statistic key 1c, a key 1d which is operated in a double variable statistical mode, the search keys 1e and 1f, a correction key 1g, a deletion key 1h and an insertion key 1i. A CPU 2 stores the registration data in a 1st register 3a of a RAM 3 in response to a face that the keys 1a are operated. The RAM 3 also includes registers 3a and 3b, a data storing area 3e, a double variable mode flag 3f, pointers 3c and 3d, and a statistical value register group 3g. The input data, the statistical value, etc., stored in the RAM 3 are displayed at a display part 5.
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