• Famous Plane Curves website. The CD-ROM version of this site include over 110 Geometer's SketchPad files, over 20 Cabri II Geometry files, and over 70 Mathematica notebooks and 11 packages, over 60 Graphing Calculator files, all are not in the free online version.
• Complete scanned version of Robert C Yates's “Curves and Their Properties”. This is a 245-page classic. See sample scanned pages, and a photo of the CD-ROM as sold.
• Over 110 self-contained Geometer's Sketchpad files on curves.
• 8 Mathematica add-on packages and over 80 Mathematica notebooks on curves.
This site is linked by over one thousand educational websites, and has 1100 unique visitors per week (as of 2005). See awards and praises. Please help support this site. See order sheet for prices and download options.
• Postal mail me a US personal check.
• Postal mail me a Cashable Money Order. You can use http://bidpay.com/'s service.
• Pay online by Visa/MasterCard using http://paypal.com/ to xah@xahlee.org.
Please send thru email or postal mail the order sheet along with payment to:
Xah Lee
P O Box 390595
Mountain View
CA 94042-0290
USA
If you have ordered before, you can upgrade for $5. Just email me for download location. Add $4 shipping if you want it on CD-ROM by postal mail.
If you are a student or otherwise in need, you can take 20% off the price.
Note: The CD is sold for personal use only. You do not buy the right to publish it. (you cannot place it on local netowrk). Please contact me if you are interested in a site license.