The Concept of Action  41  Produces as results,'  As a final example of for statements consider this program.  program SummingTerms(Output);  { Program 4.8 - Compute in four ways the series:  1 - 1/2 + 1/3 - ...  + 1/9999 - 1/10000  1)  left to right in succession,  2)  left to right,  all pos and neg  terms then subtract,  3)  right to left in succession,  and  4)  right to left,  all pos and neg  terms then subtract.  }  *  *  *  *  *  *  *  *  *  *  *  *  *  *  *  *  *  *  *  *  *  *  *  *  *  *  *  *  *  * 