• Re, Im, arg—Returns the magnitude or argument of complex numbers.

• csgn, signum, sign—Retuns the sign of complex numbers.

• if—Returns function values dependent on a Boolean condition.

• IsArray, IsNaN, IsScalar, IsString, SIUnitsOf—Recognizes arrays, NaNs, scalars, strings, or expressions with units.

• concat, substr, search, strlen, num2str, format, str2num, str2vec, vec2str, error—Concatenates strings, returns information about strings, converts strings to constants or vectors, or returns an error message.

• floor, Floor, ceil, Ceil, round, Round, trunc, Trunc—Returns integers according to different constraints.