(mathematics) Of a function, associating a unique value of its range with each value of its domain.

(logic) A value indicating to what extent a statement is true; in classical logic, these are the values "true" and "false".

The amount or value listed on a bill, note, stamp, etc.; the stated value or amount. / (idiomatic) No more or less than what is stated; a literal or direct meaning or interpretation.

The amount of energy produced by the complete combustion of a material or fuel. Measured in units of energy per amount of material, e.g. kJ/kg.

The value of an asset as reflected on an entity's accounting books, without accounting for appreciation or depreciation.

(mathematical analysis, of a function) Having only real values: having as its codomain the set of real numbers or a subset thereof.

thermal transmittance or thermal conductance

(mathematics) Used to describe a mathematical entity, like a function, that takes values from the real numbers (as opposed to, for instance, from the complex numbers).

(probability theory) The weighted average of outcome values, using probability as the weighting function.

(finance) The price which a seller or insurer might reasonably expect to fetch for goods, services or securities on the open market.