アナログ計算機[anarogukeisanki] analog computer
シフト演算機構[shifutoenzankikou] shift arithmetic unit
暗算[anzan] mental arithmetic
違算[isan] miscalculation
一般命令演算機構[ippanmeireienzankikou] general instruction unit (computer)

運算[unzan] mathematical operation
演算[enzan] (mathematical) operation
演算機[enzanki] processor (as in computer chip)
演算子[enzanshi] operator
演算手順[enzantejun] algorithm

汚染除去[osenjokyo] decontamination
加減乗除[kagenjoujo] the four arithmetical operations (addition, subtraction, multiplication, division)
加除[kajo] insertion and deletion
加除式[kajoshiki] looseleaf
課税控除[kazeikoujo] tax exemption

解除[kaijo] cancellation
刈除[gaijo] removal
駆除[kujo] extermination
欠除[ketsujo] lusting
後述の場合を除き[koujutsunobaaiwonozoki] except as noted below