The Mathematica Journal Wolfram Research Customer Service Purchase Order Requirements Purchase orders for Wolfram Research products and services are accepted by both mail and fax and are subject to credit approval. The standard carrier for domestic shipment is UPS Ground. Air and overnight delivery services are also available. Please contact your Wolfram Research representative for details. The customer is responsible for all taxes, duties, and applicable Value Added Taxes.
Sales tax is added on orders delivered in California, Illinois, New York, and Massachusetts.
GST is assessed on all orders delivered to Canada. International customers are responsible for customs duties and taxes. Standard terms are Net 30 Days. Shipping charges are added based on the total dollar amount of shippable items. Incomplete or inconsistent purchase orders will require a written amendment for orders to be processed and shipped.