Frequency
Present value of a perpetuity (Present Value of Int Factor Annuity)
Alternating current power (instantaneous)
Logarithmic Mean Size - 1st moment
Absolute Magnitude of a Star - with distance modulus
Mechanical Advantage - Meshing Gears
Rayleigh length (range)
Parametric equation 3-Variable type (y-axis)
Area of a Square
Depth of field (Hyperfocal distance)