Category:Spiric sections
From Infogalactic: the planetary knowledge core
A spiric section is a special case of a toric section, in which the intersecting plane is parallel to the rotational symmetry axis of the torus (σπειρα in ancient Greek). They were discovered by the ancient Greek geometer, Perseus in c. 150 BC. Their general mathematical form is quartic
where 
, 
and 
are parameters.
Pages in category "Spiric sections"
The following 2 pages are in this category, out of 2 total.
