| Subject | English | Japanese |
| comp. | n arithmetic unit | 算術演算機構 |
| comp. | n arithmetic unit | 算術演算装置 |
| comp. | n arithmetic unit | 演算装置 (えんざん・そち) |
| comp. | n floating-point arithmetic unit | 浮動小数点演算機構 |
| comp. | n high-speed arithmetic unit | 高速演算機構 (computer) |
| comp. | n shift arithmetic unit | シフト演算機構 |