For the special case of circular polarization, the axial ratio equals 1 and the tilt angle is undefined.

Since the two quantities are equal their ratio equals one.

Equation (7.18) says that, when covered interest parity holds, the ratio of the forward to the spot rate equals the ratio of (one plus) relative interest rates.

Over any horizontal interval, the ratio of the area under the catenary to its length equals a, independent of the interval selected.

More important, the calculated ratio of fluorine to neon, 1 to 3,100, roughly equals the ratio found on the surface of the sun.

The reserves-to-production ratio (R/P) equaled 11.26 years in 2007.

Arc-chord ratio equals 1 for a straight line and is infinite for a circle.

If the product and reactant concentrations are at equilibrium then the mass-action ratio will equal the equilibrium constant.

Ideally the ratio of partial pressures equals the ratio of the number of molecules.

For a Possion distribution this ratio equals 1.