The Tools Menu

This menu contains some tools for the functions that can be useful:

Tools->Calculator: Opens the Calculator dialog.
Tools->Plot Area...: Select a graph and the x-values in the new dialog that appears. Calulates the integral and draws the area between the graph and the x-axis in the range of the selected x-values in the color of the graph.
Tools->Find Minimum...: Find the minimum value of the graph in a specified range.
Tools->Find Maximum...: Find the maximum value of the graph in a specified range.