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[Endless]

Or for rounding (warning, this comes from the web, in case your teacher checks):

float Round(float Value, int NumPlaces)
   {
   int k, Temp;
   float Factor;
   
   Factor = 1;
   for (k = 0; k < NumPlaces; k++)
      Factor = Factor * 10;
      
   Temp = Value * Factor + 0.5;
   return Temp / Factor;
   }