MSDN Library

Subtraction Operator (-) (VBScript)

Finds the difference between two numbers or indicates the negative value of a numeric expression.

' Example 1
result = number1-number2
' Example 2
-number

result

Any numeric variable.

number

Any numeric expression.

number1

Any numeric expression.

number2

Any numeric expression.

In Syntax 1, the - operator is the arithmetic subtraction operator used to find the difference between two numbers. In Syntax 2, the - operator is used as the unary negation operator to indicate the negative value of an expression.

If one or both expressions are Null expressions, result is Null. If an expression is Empty, it is treated as if it were 0.

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