Texas Instruments TITANIUM TI-89 User Manual page 777

Eastward
Traveling
Current
Intended
Path
1. Set the modes for
screen. (Show angles in degrees and
display all digits with a floating decimal
point.)
Press: 3 D D D. On the Angle option,
select
2:DEGREE
option, select
2. Set the modes for
screen. (Display answers in decimal
form.)
Press: 3 „ D D. On the
Exact/Approx option, select
3:APPROXIMATE
Activities
a mph
Boat
Actual Path
river bank
as shown in this
Page 1
. On the Display Digits
.
E:FLOAT
as shown in this
Page 2
.
777