(mathematics) A branch of functional analysis, being the study of linear operators on function spaces.

(investment, finance) The amount by which the income of a company is less than its expenditure.

plural of safe navigation operator

(programming) A binary operator that returns its second argument, unless the first argument is null, in which case it returns null; used to simplify code that would otherwise need multiple explicit checks for nullity.

(programming) The operator ## in the C or C++ preprocessor, which permits separate tokens to be joined into a single token.

plural of token-pasting operator

plural of Laplace-Beltrami operator

plural of short circuit operator

A generalized version of the Laplace operator that can be used with Riemannian and pseudo-Riemannian manifolds.

plural of short-circuit operator