This statement is NOT true of the music of the classical period. The basso continuo was the nucleus of the instrumental ensemble. The typical orchestra of the classical period consisted of. strings, pairs of woodwinds, horns, trumpets, and timpani.
Equality (mathematics) From Wikipedia, the free encyclopedia. In mathematics, equality is a relationship between two quantities or, more generally two mathematical expressions, asserting that the quantities have the same value, or that the expressions represent the same mathematical object. The equality between A and B is written A = B, and pronounced A equals B. The symbol = is called an equals sign.
One is the only 1-perfect number (see multiply perfect number). By definition, 1 is the magnitude, absolute value, or norm of a unit complex number, unit vector, and a unit matrix (more usually called an identity matrix). Note that the term unit matrix is sometimes used to mean something quite different.