When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
Author J.W. Russel. No rigid notation is followed but points have been denoted by A, B, C., lines by a, b, c., and planes and conics by alpha, beta, gamma., 'r.h' has been used for rectangular hyperbola.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.