Texas Instruments Titanium TI-89 User Manual

Differential Equation Graphing 448
When you see this or any other error message:
• For your order of equation, use the previous table to find the valid Fields settings.
Change to the applicable setting.
• For a particular Fields setting, check the following for information that applies to that
setting.
2nd-order
(system of two 1st-order equations)
DIRFLD or FLDOFF
3rd- or higher-order
(system of three or more 1st-order equations)
FLDOFF
Because Fields = SLPFLD is the default
setting, a common error message is shown to
the right.
If the equation is: Valid Fields settings are:

Texas Instruments Titanium TI-89 Specifications

General

Display Type	LCD
Display Resolution	160 x 100 pixels
Memory	188 KB RAM, 2.7 MB Flash ROM
Type	Graphing Calculator
Display	Monochrome
Processor	Motorola 68000
Processor Speed	12 MHz
Power Source	4 AAA batteries
Connectivity	USB
Programming	TI-BASIC, Assembly
Operating System	AMS (Advanced Mathematics Software)