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
-- 
Keith Edmunds
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