INTEGRAL.83P by Daniel Bishop (freeware) This program graphs a function and its antiderivative. How to use this program: 1. Run prgmINTEGRAL. 2. Enter an expression, in terms of X, for dy/dx. 3. Enter the initial conditions for the antiderivative. The graph of the integral will pass through the point (X, Y). This point will also be at the center of the graph. 4. Enter a value for delta_X. This affects the viewing window. A delta_X of .1 works well for most functions. 5. The TI-83 will graph dy/dx (Y1) and y (Y0), in that order. Use the arrow keys to trace the graphs. Press ENTER when you are done. Contact me: If you have any questions or comments, please e-mail me at danb2k@hotmail.com or danb_83@yahoo.com