## IRA Differentiator

Applet to plot a function (blue) together with (numeric approximations of) its first (red) and second (green) derivate (part of the Interactive Real Analysis project). - Click on
*Options*to bring up a dialog window for options - Try, for example, the function
*x*sin(1/x)*,*x^2*sin(1/x)*, and*x^3*sin(1/x)*
The applet helps students to visualize whether a function is differentiable or not. |