Operation Manual

Function Graphing 3-23
8203FUNC.DOC TI-82, Chapter 3, English Bob Fedorisko Revised: 02/09/01 9:06 AM Printed: 02/09/01
12:36 PM Page 23 of 24
minimum, maximum
minimum
(
CALC
item
3
) and
maximum
(
CALC
item
4
) find the minimum or
maximum of a function in a specified interval to a tolerance of 1
E
L
5.
1. Select
minimum
or
maximum
from the
CALC
menu. The current graph
is displayed.
2. Set
Lower Bound
,
Upper Bound
, and
Guess
as described for
root
.
The result cursor is on the solution and the coordinate values are displayed
(even if you have selected
CoordOff
on the
WINDOW FORMAT
screen).
When you press
|
,
~
,
}
, or
†
, the free-moving cursor appears.
intersect
intersect
(
CALC
item
5
) uses
solve(
(Chapter 2) to find the intersection of
two functions. The intersection must appear on the display.
1. Select
intersection
from the
CALC
menu. The current graph is displayed
and you are prompted to select the
First curve
.
2. Use
†
or
}
to move the cursor to the first function and press
Í
.
3. Use
†
or
}
to move the cursor to the second function and press
Í
.
The result cursor is on the solution and the coordinate values are displayed
(even if you have selected
CoordOff
on the
WINDOW FORMAT
screen).
When you press
|
,
~
,
}
, or
†
, the free-moving cursor appears.