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

繋累[keirui] dependents
堅累[kenrui] stronghold
俗累[zokurui] wordly troubles
累加[ruika] acceleration
累計[ruikei] cumulative total

累算[ruisan] total
累乗[ruijou] raising a number to a power
累進[ruishin] successive promotion
累進課税[ruishinkazei] progressive taxation
累進税[ruishinzei] progressive tax