calculate, divining, number, abacus, probability

けいさん

calculation, reckoning

よさん

estimate, budget

せいさん

exact calculation, adjustment

かけざん

multiplication

さんすう

arithmetic

そろばん

abacus

ひきざん

subtraction

わりざん

division (math)

けっさん

balance sheet, settlement of accounts

かんさん

conversion, change, exchange

あんざん

mental arithmetic

たしざん

addition