Sales
- W-9 Form
- VAT or DUNS Number
- NDAA (Section 889) Compliance
- Applying VAT to your order
- Sales Tax Exemption
- Site Licenses
- Signing an enterprise license agreement (ELA)
- Purchase Order
- Volume discount
- NumXL's coupon discount system
- Using NumXL in the classroom
- Student-only discount
- Discounts for government, non-profit and academic organizations
- Reinstalling after Purchase
- NumXL on permanent media
- Wire payment
- Money back guarantee
- Where to purchase
- Releasing a new version of NumXL
- NumXL Features List