意志決定機関[ishiketteikikan] decision-making body
意志決定[ishikettei] decision-making
一決[ikketsu] agreed
雨天決行[utenkekkou] rain or shine
仮決[kaketsu] conditional approval

可決[kaketsu] approval
解決[kaiketsu] settlement
解決策[kaiketsusaku] solution
勘決[kanketsu] investigation and decision
議決[giketsu] resolution

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