| 摘要 |
PURPOSE:To miniaturize a device without lowering calculation processing speed by setting temporarily a temporary buffer area in a common RAM part, and storing each summed up result in it. CONSTITUTION:A RAm part 1 for table calculation provided with a first data buffer area 11 to store successively plural data D1j in its addresses and a second data buffer area 12 to store successively second data D2j in the addresses is provided. Here, (j) shows 1 to (n). Besides, a calculation processing part 2 to calculate successively the summed up total of these data and the temporary buffer area 31 which is set in the common RAM part 3 and stores each summed up result RDj from the calculation processing part successively in the corresponding address are provided. Each summed up reasult RDj of this temporary buffer area is stored in a displaying RAM 4, and is outputted as display data VD. Thus, the RAM part for table calculation can be miniaturized without lowering operating speed, and the whole device can be miniaturzied. |
