| Please visit these sections of our website if you need the following services: |
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| Please contact us via any of the following methods: |
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| Orders: |
PO Box 69
Greenland, NH 03840-0069 |
| Returns: |
SlideRule Books
1915 10th Ave West
Mobridge, SD 57601 |
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877-407-5433 (phone)
877-417-5433 (fax) |
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| Customer service is available Monday through Friday 9:00 AM to 5:00 PM (EST). |
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| Manager: Pamela Clarkin |
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