Texas Instruments Titanium TI-89 User Manual

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Log to Any Base
Log to Any BaseLog to Any Base
Log to Any Base
Converting Angle Measures
Converting Angle MeasuresConverting Angle Measures
Converting Angle Measures
Steps and keystrokes Display
Find log (x,b). You can enter “log” on the entry
line by typing
LOG on the keyboard, or by
pressing 8 7.
Press
8 7 X , j b d ¸
Steps and keystrokes Display
1. Display the MODE dialog box. For Angle
mode select
DEGREE. Convert 345
degrees to Gradian angle measure.
You can enter “ ú
Grad ” on the entry line
by selecting “ ú
Grad ” from the Catalog
menu, or from the Math menu by pressing
2 I and selecting
2:angle, A:úGrad.
Press 3 D D D B 2 ¸ 345 2
v 2 I 2 j A ¸

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)