The [[-]] mathematical operator performs subtraction on two numerical values or [[negation|negates]] a single value. {{PageSyntax}} :return_value = number1 [[-]] number2 {{PageDescription}} * Numbers used can be any literal or variable numerical value type. * Subtracting a negative value will actually perform addition with the other value. * Subtracting a negative or [[negation|negated]] value will make the return value more positive. * Addition and subtraction are the last operations performed in QBasic's normal order of operations. * Subtraction cannot be performed on [[STRING]] values. {{PageSeeAlso}} * [[+|+ positive]] (addition operator) * [[Mathematical Operations]] {{PageNavigation}}