>> So looking for a little help in implementing this >> >> temp_F = (temp_C * 9 / 5) + 32; >> How many possible input values (in deg C) do you have ? I'm thinking "lookup-table" here... :-) Jan-Erik. -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist