(mathematics) The formula x=(-b±√)/(2a) for finding roots of the quadratic equation.

Any algebraic expression that gives the distance between two points in a particular coordinate system in a particular number of dimensions

The highest class of motor racing sanctioned by the FIA.

Synonym of infant formula

(Canada, law) The principle, widely recognized in Canadian law and in collective agreements, that all employees of a unionized workplace must pay dues to the labor union, whether they choose to be members of the union or not.

Alternative letter-case form of trinitarian formula

(graph theory) A formula for the number of spanning trees of a complete graph of n vertices: nⁿ⁻².

(physics) An equation used to calculate the flow velocity of a fluid in an open-channel system, relating Chezy's coefficient to variables such as radius, roughness, and discharge.

(religion, Christianity) The phrase "in the name of the Father, and of the Son, and of the Holy Spirit", or words to that form and effect, referring to the three persons of the Christian Trinity.

An empirical formula estimating the average velocity of a liquid flowing in a conduit that does not completely enclose the liquid, i.e. an open channel.