| 摘要 |
PURPOSE:To facilitate the variation of shared parameters used for respective arithmetic operations greatly by providing a memory which stores a table containing the correspondence relation between the shared parameters and storage address and a means which updates the shared parameters. CONSTITUTION:The shared parameters which are used in common for respective arithmetic operations are employed. The table shown in a figure is stored in a ROM 2 or RAM 3 so as to allow a processor CPU 1 to update other shared parameters while one shared parameter is varied on a keyboard KB 12, thereby indicating the correspondence relation between the shared parameters and addresses where shared parameters are stored in the RAM 3 used for respective arithmetic operations. For example, when X2 is varied, respective corresponding addresses a12-aN2 in the RAM 3 where the shared parameters are stored are checked and the contents of those storage addresses are updated automatically according to X2 after the variation. Thus, the variation of the shared parameters stored in numbers of addresses is facilitated greatly.
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