Texas Instruments TI-83 Manual Book page 103

minimum,
maximum
intersect
and
minimum maximum
function within a specified interval to a tolerance of 1âL5.
To find a minimum or maximum, follow these steps.
1. Select
3:minimum
menu. The current graph is displayed.
2. Select the function and set left bound, right bound, and
guess as described for
The cursor is on the solution, and the coordinates are
displayed, even if you have selected
or
Minimum Maximum
corner.
To move to the same x-value for other selected functions,
press } or †. To restore the free-moving cursor, press |
or ~.
finds the coordinates of a point at which two or
intersect
more functions intersect using
must appear on the display to use
To find an intersection, follow these steps.
1. Select
5:intersect
current graph is displayed with
bottom-left corner.
2. Press † or }, if necessary, to move the cursor to the
first function, and then press Í.
displayed in the bottom-left corner.
3. Press † or }, if necessary, to move the cursor to the
second function, and then press Í.
4. Press ~ or | to move the cursor to the point that is
your guess as to location of the intersection, and then
press Í.
The cursor is on the solution and the coordinates are
displayed, even if
is displayed in the bottom-left corner. To restore the free-
moving cursor, press |, }, ~, or †.
find a minimum or maximum of a
or
4:maximum
(steps 2 through 4; page 3.26).
zero
is displayed in the bottom-left
solve(
intersect
from the
CALCULATE
format is selected.
CoordOff
Function Graphing 3-27
from the
CALCULATE
format;
CoordOff
. The intersection
.
menu. The
in the
First curve?
Second curve?
Intersection
is