If you want
to register Calculation over the internet, you may be afraid of Credit Card
Fraud. However, there is a simple
solution to this:
Get a debit-card account that does not allow
any credit. (Note: If you are 17 or over, you can get such an account at the
Halifax.)
Only keep a small amount of money in it at a
time.
Now you can order things over the internet
however much you want without any fear!