The GraphApplet has support for symbolic differentiation using the diff function. To use the applet as a calculator click on the buttons or use the keyboard to form your expression and then press enter or click the Eval button to evaluate. To clear the input field click the Clear button, to clear a individual drawed function double click on the function name in the list to the right of the applet or click on the Cls button to clear the whole screen. Clear Clears the input area. Zooms out the current area with a factor of x2.
Cls Clears the whole drawing area and all functions.
MCls Clears the memory, first click this button and then on either m1 or m2 to clear that memory. These operators can be entered either with the buttons on the calculator or through the keyboard . The 10 logarithm of a value or expression. Symbolically differentiates an expression of one variable. The Euler constant, base for the natural logarithm .