Texas Instruments TITANIUM TI-89 User Manual page 109

Steps and keystrokes
10. To select an initial condition interactively,
press:
2 Š
When prompted, enter t=40 and y1=45.
When selecting an initial condition
interactively, you can specify a value for t
other than the t
or
Y= Editor Window Editor
Instead of entering
2 Š
you can move the cursor to a point on the
screen and then press ¸.
You can use ... to trace curves for initial
conditions specified in the
However, you cannot trace the curve for
an initial condition selected interactively.
Press 2 Š 40 ¸ 45 ¸
Previews
value entered in the
0
.
and after pressing
t y1
Y= Editor
Display
.
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