Description

Used to sum two numbers or perform string concatenation.

Syntax

result = expression1 + expression2

The + operator syntax has these parts:

Part	Description
result	Any variable.
expression1	Any expression.
expression2	Any expression.

Remarks

The underlying subtype of the expressions determines the behavior of the + operator in the following way:

If	Then
Both expressions are numeric or boolean	Add.
Both expressions are strings	Concatenate.
One expression is numeric and the other is a string	Concatenate.

For information on when a run-time error is generated by the += operator, please see the Arithmetic Operators table.