This is a basic construction file for HTML use.[br][br]The left panel is called the Algebra View; here most the material in the worksheet are accessible.[br]The right panel is called the Graphics View; a currently set the x and y axes are displayed with a grid. Turning off the axes and grid give the Geometry display.[br][br]In addition to the Graphics View there are the following additional views/panels available for the user:[br]1) Graphics2[br]2) 3D Graphics[br]3) Spreadsheet[br]4) CAS, Computer Algebra System