or FORMULARY, a rule or model, or certain terms prescribed or decreed by authority, for the form and manner of an act, instrument, proceeding, or the like.

in Church History and Theology, signifies a profession of faith.

in Medicine, imports the constitution of medicines, either simple or compound, both with respect to their prescription and consistence.

a theorem or general rule, or expression, for solving certain particular cases of some problem, &c.

\[ \frac{1}{2} s + \frac{1}{2} d \] is a general formula for the greater of two

(a) The hours of the Chinese are double ours: the hour yn begins at three in the morning, and ends at five; ouei begins at three in the afternoon and ends at five. two quantities whose sum is $s$, and difference $d$; and

$$\frac{1}{2} s - \frac{1}{2} d$$

is the formula, or general value, for the less quantity. Also $\sqrt{d^2 - x^2}$, is the formula, or general value, of the ordinate to a circle, whose diameter is $d$, and absciss $x$.