Interest = principal × term × interest rate
(2) lump-sum deposit and lump-sum withdrawal of savings deposit interest.
Interest = monthly deposit × monthly accumulated product × monthly interest rate
(3) lump-sum deposit and lump-sum withdrawal of savings deposit interest.
Each withdrawal of principal = principal ÷ agreed withdrawal times
Interest payable at maturity = (total amount of principal+amount of each withdrawal) /2× number of principal withdrawals × interval of each withdrawal × monthly interest rate.
(4) Deposit and interest.
Number of interest withdrawals = (principal × term × interest rate) ÷ Number of interest withdrawals.
(5) Regular and convenient savings deposit interest
Interest = principal × term × interest rate ×60%
(6) Personal notice deposit interest
Interest payable = principal × term × corresponding interest rate