精算

N1 採算 saisan profit N1 決算 kessan balance sheet, settlement of accounts N1 換算 kansan conversion, change, exchange N1 暗算 anzan mental arithmetic N1 精密 seimitsu precise, exact, detailed, minute N1 足し算 tashizan addition N2 掛け算 kakezan multiplication N2 算数 sansuu arithmetic N2 算盤 soroban abacus

N3 精 sei, shou / shira.geru, kuwa.shii refined, ghost, fairy N2 算 san / soro calculate, divining, number