Java

$('form#Commission #Commission_On').formCalc(" Nett_Earnings -Actual_Takings >0?0",{ currency_format:true, mirror:'sfm_Commission_On_parsed'});

public int hash ( String s )
   {
      int sum = 0;
      
      for(int=0, i<s.length(); i++)
      {sum +=((int)string.charAt(i))%size;}

      return sum %size;
   }  
// return True if the hash table contains string s
   // return False if the hash table does not contain string s

my find function would resembles something along these lines.
   boolean find ( String s )
   {
      boolean found = false;
      int value = hashFunction(s, size);
      
      return found;
   }