計算【けいさん】
calculation, reckoning, count, forecast
予算【よさん】
estimate (of costs), budget
決算【けっさん】
settlement of accounts, closing accounts, financial results, reporting (of accounts)
採算【さいさん】
profit
清算【せいさん】
(financial) settlement, squaring accounts, clearing debts, liquidation, ending (a relationship), breaking up (with), burying (the past), redeeming (one's faults)
換算【かんさん】
conversion (e.g. yen to dollars), change, exchange, translation (numerical)
算数【さんすう】
arithmetic, calculation
精算【せいさん】
exact calculation, squaring of accounts, adjustment
足し算【たしざん】
addition
成算【せいさん】
hope of success, prospects of success
通算【つうさん】
total, sum, aggregate
補正予算【ほせいよさん】
revised budget, supplementary budget
珠算【しゅざん】
calculation on an abacus
公算【こうさん】
probability, likelihood
概算【がいさん】
approximation, rough estimate, ballpark figure
試算【しさん】
trial calculation, preliminary calculation, estimation
算定【さんてい】
calculation, estimation, computation
誤算【ごさん】
miscalculation
加算【かさん】
addition, adding, supplement
演算【えんざん】
operation, calculation