Maximum contact pressure between a rigid cylinder and an elastic half-space
Borda–Carnot equation ( in relation to Bernoulli's principle)
Fresnel reflection (Reflectivity Rp)
Air-to-cloth ratio
Compound lens' focal length
Capacitive divider (only for AC)
Torque to lower a load (by lead screw-related to the coefficient of friction))
Simplified von Mises equation - Principal stresses
Magic cube (simple)
Flow coefficient