| 摘要 |
PURPOSE:To improve the operability in input command correction by providing a command extraction part which displays candidates for a correct command when a wrong command is inputted. CONSTITUTION:If DOT is inputted from an input part 8 by mistake instead of DAT, it is displayed on a display part 11 and sent to a command decision part 12 simultaneously, and the decision part 12 when deciding that there is not command corresponding to DOT sends DOT to the command extraction part 14. The extraction part 14 extracts DAT, DET, CAT, etc., which has the same length with DOT and contains one or two different characters from a command table 15 and displays them on a display part 11. Then, the correct command is selected in the displayed command candidate group and the number given to the correct command is inputted from the input part 8, thereby correcting the error of the input command.
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