Texas Instruments TI-89 Titanium User Manual

Numeric Solver 653
Saving Equations for Future Use
Because the number of equations that you can recall with ‡
Eqns is limited, a particular
equation may not be retained indefinitely.
Note: An equation variable has an EXPR data type, as shown on the MEMORY and
VAR-LINK screens.
Opening a Saved Equation
To store the current equation for future use,
save it to a variable.
1. From the Numeric Solver screen, press
, and select
2:Save Copy As.
2. Specify a folder and a variable name for
the equation.
3. Press ¸ twice.
To open a previously saved equation variable:
1. From the Numeric Solver screen, press
, and select
1:Open.

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