Reynolds number (for motion of an object in a viscous fluid)
Parallax
Cohen's kappa coefficient
Lateral Surface Area of a Cube
Moment of Inertia - Rod end
Density Parameter
Eccentricity of an ellipse
Nose cone ogive shape (radius y at any point x)
Planck's law ( by the wavelength)
Area moments of inertia for a filled semicircle with respect to a horizontal line passing through the centroid of the area