Function Graphing 3.27
82533F~1.DOC TI-83 international English Bob Fedorisko Revised: 10/26/05 1:20 PM Printed: 10/27/05 1:55
PM Page 27 of 28
minimum and maximum find a minimum or maximum of a
function within a specified interval to a tolerance of 1âL5.
To find a minimum or maximum, follow these steps.
1. Select
3:minimum or 4:maximum from the CALCULATE
menu. The current graph is displayed.
2. Select the function and set left bound, right bound, and guess
as described for
zero (steps 2 through 4; page 3.26).
The cursor is on the solution, and the coordinates are displayed,
even if you have selected
CoordOff format; Minimum or
Maximum is displayed in the bottom-left corner.
To move to the same x-value for other selected functions, press
} or †. To restore the free-moving cursor, press | or ~.
intersect finds the coordinates of a point at which two or more
functions intersect using
solve(. The intersection must appear on
the display to use
intersect.
To find an intersection, follow these steps.
1. Select 5:intersect from the CALCULATE menu. The current
graph is displayed with
First curve? in the bottom-left corner.
2. Press † or }, if necessary, to move the cursor to the first
function, and then press Í.
Second curve? is 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
CoordOff format is selected. Intersection is displayed in
the bottom-left corner. To restore the free-moving cursor, press
|, }, ~, or †.
minimum,
maximum
intersect
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