Press to view the calculate menu.

Press the number associated with an option or use the cursor keys to select an option and press .

Press to select value which evaluates a function for a given value of x.

Press to select zero which finds an x intercept.

Press to select minimum which finds a relative minimum.

Press to select maximum which finds a relative maximum.

Press to select intersect which finds a point of intersection.

Press to select dy/dx which finds the derivative of a function.

Press to select which finds the value of the integral of a function.