int main(void)
{
 
   int num_of_resis; // number of resistors
   int values[256];  // holds values for resistors
   int i;            // specifys data range
   int index;        // index into data
   int div;
   int var1, var2, count;
 
   cout << "How many resistors: ";
   cin >> num_of_resis;
   for(i=0;i < num_of_resis;i++){ // stores resistor values
      cout << "What is the value of one resistor?: ";
      cin >> values[i]; // used for debug
      cout << "value is " << values[i] << endl;
   }
 
   /*********************************************
   * math: 1/R = 1/R1 + 1/R2 + 1/R3 ... + 1/Rn  *
   * ex: 1/R = 1/400 + 1/200                    *
   * 1/R = 3/400                                *
   * R = 400/3                                  *
   * R = 133.33 ohms                            *
   **********************************************/
 
   cout << " ---------- " << endl; // make output look somewhat better
 
   for(i=0;i<num_of_resis;i++){
      count = div = values[i];
      if(values[i] < 1){
         cout << "error\n";
         cout << "cannot be negative\n";
         break;
      }
      if(values[i] == 0){
         cout << "continuing\n";
         cout << "value cannot be 0";
         break;
      }else{
         var1 = values[i] / values[i++];
         cout << "values[i] is " << values[i] << endl;
         cout << var1 << endl;
         }
   }
 
return 0;
}