Dry unit weight
Horizontal Parabola (Standard Equation)
Moments of inertia for a solid tetrahedron
Mass fraction
Product of the diagonals in a convex quadrilateral(Bretschneider's formula for diagonals)
Radius of a Searsâ€“Haack Body
Fatigue strength
Earth Similarity Index
Solid angle (in spherical coordinates)
Angular velocity