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

鼺鼠[momi] giant flying squirrel (Petaurista leucogenys)
鼯鼠[momonga] small Eurasian flying squirrel (Pteromys momonga)
熬海鼠[iriko] dried sea slug
海鼠[namako] sea cucumber (Holothuroidea spp.)
栗鼠[risu] squirrel (excluding flying squirrels)

どぶ鼠[dobunezumi] brown rat (Rattus norvegicus)
黒鼠[kuronezumi] black rat
鼠の嫁入り[nezuminoyomeiri] light shower
鼠疫[soeki] plague