page_title: Wallis's conical edge
hierarchical_section_title: Wallis's conical edge
context_page_description: Wallis's conical edge is a ruled surface given by the parametric equations:
  where a, b and c are constants.
  Wallis's conical edge is also a kind of right conoid.
  Figure 2 shows that the Wallis's conical edge is generated by a moving line.
  Wallis's conical edge is named after the English mathematician John Wallis, who was one of the first to use Cartesian methods to study conic sections.
context_section_description: Wallis's conical edge  is a ruled surface given by the parametric equations:
  where a, b and c are constants.
  Wallis's conical edge is also a kind of right conoid.
  Figure 2 shows that the Wallis's conical edge is generated by a moving line.
  Wallis's conical edge is named after the English mathematician John Wallis, who was one of the first to use Cartesian methods to study conic sections.
caption: Figure 1. Wallis's Conical Edge with a=b=c=1