Education Technology

Solution 34615: Using the fMax( ) Function on the TI-84 Plus C Silver Edition.

How do I use the fMax( ) function on the TI-84 Plus C Silver Edition?

The fMax( ) function returns the value of variable where the local maximum of expression occurs, between lower and upper bounds, with specified tolerance. The syntax for the fMax( ) function is listed below.

fMax(expression, variable, lower, upper[,tolerance])

Reference the example provided below.

Example: Find the function maximum of sin(A), for the variable A, with -p for the lower bound and p for the upper bound.

• From the main screen press [MATH] [7] .
• Press [SIN] [ALPHA] [A] [)] [,] [ALPHA] [A] [,].
• Press [(-)] [2ND] [p] [,] [2ND] [p] [)].
• Press [ENTER] to display the results.

Please see the TI-84 Plus C Silver Edition guidebook for additional information.