Education Technology

Solution 34847: Using the fMin( ) Function on the TI-84 Plus C Silver Edition.

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

The fMin( ) function returns the value of variable where the local minimum of expression occurs, between lower and upper, with specified tolerance. Reference the example provided below. The syntax for the fMin( ) function is: fMin(expression,variable,lower,upper[,tolerance]).

Example: Find the function minimum 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] and select 6:fMin(.
• Press [SIN] [ALPHA] [A] [)] [,] [ALPHA] [A] [,].
• Press [(-)] [2ND] [p] [,] [2ND] [p].
• Press [)] and [ENTER] to display the results.



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