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14 Getting Started
8300GETM.DOC TI-83 international English Bob Fedorisko Revised: 02/19/01 11:06 AM Printed: 02/19/01 11:06
AM Page 14 of 18
4. Press
r
. The trace cursor is displayed
on the
Y
1
function.
The function that you are tracing is
displayed in the top-left corner.
5. Press
|
and
~
to trace along
Y
1
, one X dot
at a time, evaluating
Y
1
at each X.
You also can enter your estimate for the
maximum value of
X.
6. Press
3
Ë
8. When you press a number key
while in
TRACE
, the X= prompt is displayed
in the bottom-left corner.
7. Press
Í
.
The trace cursor jumps to the point on the
Y
1
function evaluated at X=3.8.
8. Press
|
and
~
until you are on the
maximum
Y value.
This is the maximum of
Y
1
(X) for the X
pixel values. The actual, precise maximum
may lie between pixel values.