Calculator User Manual

TI-83 Plus Applications 454

Calculating Amortization

Calculating an Amortization Schedule

Use the amortization functions (menu items

, and

) to calculate

balance, sum of principal, and sum of interest for an amortization

schedule.

bal(

computes the balance for an amortization schedule using stored

values for

, and

PMT

npmt

is the number of the payment at which

you want to calculate a balance. It must be a positive integer < 10,000.

roundvalue

specifies the internal precision the calculator uses to calculate

the balance; if you do not specify

roundvalue

, then the TI-83 Plus uses the

current

Float

Fix

decimal-mode setting.

bal(

npmt

[

roundvalue

]

)