Texas Instruments Titanium TI-89 User Manual

Symbolic Manipulation 246
How Long Is the Simplification Process?
How Long Is the Simplification Process?How Long Is the Simplification Process?
How Long Is the Simplification Process?
Depending on the complexity of an entry, result, or intermediate expression, it can take a
long time to expand an expression and cancel common divisors as necessary for
simplification.
To interrupt a simplification process that is taking too long, press ´. You can then try
simplifying only a portion of the expression. (Auto-paste the entire expression on the
entry line, and then delete the unwanted parts.)
• Polynomial greatest common divisors are
canceled.
• Polynomials are expanded unless no key
cancellation can occur.
• Common denominators are formed
unless no key cancellation can occur.
• Functional identities are exploited. For
example:
ln(2x) = ln(2) + ln(x)
and
sin(x)
2
+ cos(x)
2
= 1
No key cancellation
No key cancellation

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)