Operation Manual

Getting Started 13

8200GETS.DOC TI-82, Getting Started, English Bob Fedorisko Revised: 02/09/01 8:38 AM Printed:

02/09/01 12:35 PM Page 13 of 14

Finding the Calculated Maximum

You can use a CALC operation to calculate a local maximum of a function.

1. Press

CALC

to display the

CALCULATE

menu. Press

to select

maximum

The graph is displayed again, with a prompt for

Lower Bound?

2. Use

to trace along the curve to a point to the

left of the maximum and then press

A triangle at the top of the screen indicates the

selected bound. A new prompt is displayed for

Upper Bound?

3. Use

to trace along the curve to a point to the

right of the maximum and then press

A triangle at the top of the screen indicates the

selected bound. A new prompt is displayed for

Guess?

4. Use

to trace to a point near the maximum and

press

. The answer is displayed at the

bottom of the display.

Note how the values for the calculated

maximum compared with the maximums found

with the free-moving cursor,

TRACE

, and the

table.