HP 40G manual Function aplet interactive analysis, Area Extremum Isect Root Slope

To change font size

To display the symbolic definition of a column

27. %,*aDisplay table numbers in large font.

28.Display the symbolic definition for the F1 column.

*A,￿'()1a

The symbolic definition of F1 is displayed at the bottom of the screen.

Function aplet interactive analysis

From the Plot view (>3/27@), you can use the functions on the FCN menu to find roots, intersections, slopes, and areas for a function defined in the Function aplet (and any Function- based aplets). See “FCN functions” on page 3-9. The FCN operations act on the currently selected graph.

The results of the FCN functions are saved in the following variables:

•AREA

•EXTREMUM

•ISECT

•ROOT

•SLOPE

For example, if you use the ROOT function to find the root of a plot, you can use the result in calculations in Home.

3-8 Function aplet