Difference methods for initial-value problems

All orders are subject to prior sale. Should a title no longer be available, we
will let you know.

Returns for any reason accepted for full refund if returned or notified within
14 days and books are in same condition as received.

All our prices are in Danish Kroner. All goods are subject to the Danish value-
added tax, so no tax deduction can be made.

We accept the following methods of payment: Paypal, bank transfers
to our Danish account. Bank transfers are subject to additional fee of DKK 50....