Keith Edmunds wrote:
  On Sat, 16 Jan 2010 10:11:31 +0000, simbobo@??? said:
  
  
    as the amounts are to do with pounds and pence, I 
should convert everything pence before multiplying so that the 
calculation is with integers.
    
  
  
Or use Binary Coded Decimal (BCD), which is designed for exactly this
purpose. See 
http://en.wikipedia.org/wiki/Binary-coded_decimal. PEP
regarding BCD at 
http://www.python.org/dev/peps/pep-3127/
hth,
Keith
  
Thanks.  You lot are always so helpful!