Rhombic triacontahedron Area
Griffith's criterion in Linear elastic fracture mechanics (critical stress intensity factor)
Foivos Law of Video Gaming - f(Gt)
Mach Number (subsonic, calculated from Pitot Tube Pressure)
Hyperbolic triangle ( length of the base)
Thermal Diffusivity
Kelvin <-> Réaumur
Astroid (Perimeter)
Future value for Gradient payment
Electric Potential Energy (related to Electrical Work)