Texas Instruments TI-89 Titanium Short User Manual

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Previews
Performing Computations
This section provides several examples for you to perform from the
Calculator Home screen that demonstrate some of the computational
features of the TI-89 Titanium. The history area in each screen was
cleared by pressing ƒ and selecting
8:Clear Home, before performing
each example, to illustrate only the results of the example’s keystrokes.
Showing Computations
Finding the Factorial of Numbers
Steps and keystrokes Display
Compute
sin(p/4) and display the result in
symbolic and numeric format. To clear the
history area of previous calculations, press ƒ
and select
8:Clear Home.
@2 W 2 T e 4 d ¸ 8 ‘
Steps and keystrokes Display
Compute the factorial of several numbers to see
how the TI-89 Titanium handles very large
integers. To get the factorial operator (!), press
2I, select
7:Probability, and then select
1:!.
@ 5 2 I 7 1 ¸ 20 2 I 7 1 ¸
30 2 I 7 1 ¸

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