#include 
                      void temp(float lower,float higher,float step);

                      int main()
                      {
                        float lower,higher,step;
                        printf("please enter a lower limit,limit>=0\t\t");
                        scanf("%f",&lower);
                        printf("please enter a higher limit,10=0&&higher>10&&higher<=100&&step>0&&step<=10)
                        {
                          for(;lower<=higher;lower+=step)
                          {
                            printf("%f\t%f\n",lower,lower*1.8+32);
                          }
                        }
                        else
                          printf("enter real input");	
                      }