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Please contact our Customer Service Department for assistance:

U.S. Customer Service:
Hours: Monday-Friday, 8 a.m. to 5 p.m. (U.S. Central Time)
Toll free: 1-800-WOLFRAM (965-3726)
Tel: +1-217-398-5151
Fax: +1-217-398-1108

U.K Customer Service
Hours: Monday-Friday,9 a.m. to 5 p.m. (U.K. Time)
Tel: +44-(0)1993-883400
Fax: +44-(0)1993-883800

If you have an emergency request, you can contact us at 1-217-398-0700, ext. 3950

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