CALCULUS n.
algebra. -- Integral calculus, a method which in the reverse of the differential, the primary object of which is to learn from the known ratio of the indefinitely small changes of two or more magnitudes, the relation of the magnitudes themselves, or, in other words, from having the differential of an algebraic express…
CATECHISM n.
A book containing a summary of principles, especially of religious doctrine, reduced to the form of questions and answers. The Jews, even till this day, have their catechisms. Hooker. The Larger Catechism, The Shorter Catechism. See Westminster Assembly, under Assembly.