"Mark Coley" <mdc1003@nospam.cam.ac.uk> wrote in message
news:emkbfn$4rn$1@gemini.csx.cam.ac.uk...
> I'm not sure if my maths is wrong, but it looks like something may be up
> with Vodafone's billing system.
>
> Any ideas?
> Mark.

Yes, speak to Vodafone unless you're willing to post your full name,
address, phone numbers, passwords and account details. Then we can all call
them for you.
Did Vodafone tell you to ask in this newsgroup after you spoke to them? It
seems a bit odd if they did.