Texas Instruments TITANIUM TI-89 - Manual (Page 81)

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Log to Any Base Log to Any Base Log to Any Base Log to Any Base
Converting Angle Measures Converting Angle Measures Converting 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: ú Grad .
Press 3 D D D B 2 ¸ 345 2
v 2 I 2 j A
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