/******************************************************
*                                                     *
* Sonderegger              CS120                      *
*                                                     *
* Class Example - Density of a Cube    Sep. 16, 1998  *
*                                                     *
* Description: This program will calculate the density*
*     of a cube given the length of one side in cm    *
*     and the mass of the cube in grams. It will give *
*     an error message and terminate the program if   *
*     erroneous data is entered for side or mass      *
*                                                     *
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