Numerical Solution Of Ordinary and Partial Differential Equations

I am dedicated to customer satisfaction so if you are not fully satisfied with your purchase you are welcome to return it to me for a full refund. If on the rare occasion I have made an error in a product's description and it is not as described I will also be happy to refund the cost of the items return to me (when possible) via second class post. If your purchase is faulty (Unless the fault is mentioned in the listing) you may return it to us within 30 days for a full refund or replacement. If...