Texas Instruments TI-89 Titanium User Manual

Activities 752
Finding the Monthly Payment
Find the monthly payment on 10,000 if you make 48 payments at 10% interest per year.
Finding the Number of Payments
Find the number of payments it will take to pay off the loan if you could make a 300
payment each month.
Finding Rational, Real, and Complex Factors
This activity shows how to find rational, real, or complex factors of expressions. Detailed
information about the steps used in this example can be found in Symbolic Manipulation.
On the Home screen, enter the tvm values to
find
pmt.
Result: The monthly payment is 251.53.
On the Home screen, enter the
tvm values to
find
n.
Result: The number of payments is 38.8308.

Texas Instruments TI-89 Titanium Specifications

General

Display Type	LCD
Display Resolution	160 x 100 pixels
CPU	Motorola 68000
CPU Speed	16 MHz
RAM	256 KB
Flash ROM	2.7 MB
Programming Language	TI-BASIC, Assembly
Power Source	4 AAA batteries
Connectivity	I/O port
Dimensions	7.5 x 3.5 x 1 inches