| 摘要 |
PROBLEM TO BE SOLVED: To solve the following problem: in a conventional key board arrangement, it is difficult for a CAD user to input numerical value while operating a mouse with the right hand and customizing a shortcut key. SOLUTION: By arranging ten keys on the left hand side, it is possible to input numerical values from the ten keys with the left hand and, by arranging ctrl, shift, alt keys close to each other, thereby customizing shortcut keys by a ten key function key. A delete key which is frequently used is close to the ten keys, so that smooth operation can be performed. COPYRIGHT: (C)2009,JPO&INPIT
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