Texas Instruments TI-89 ユーザーズマニュアル
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81
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
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
2 I
and selecting
2:angle, A:
ú
Grad
.
Press 3 D D D B 2
¸ 345 2
v 2 I 2 j A
¸