Arithmetic and String Operations

Much of information processing involves applying arithmetic to numeric data types and values are added, subtracted, multiplied, and divided to generate results, either final results or intermediate values that are involved in further arithmetic operations. For these purposes Visual Basic supplies a set of seven arithmetic operators shown in the following table.

Operator	Use
+	Addition. Adds the values appearing on the two sides of the operator.
-	Subtraction. Subtracts the value on the right of the operator from the value on the left of the operator.
*	Multiplication. Multiplies the values appearing on the two sides of the operator.
/	Division. Divides the value on the left of the operator (dividend) by the value on the right of the operator (divisor).
\	Integer Division. Divides the value on the left of the operator by the value on the right of the operator, giving an Integer result.
Mod	Modulo Division. Returns the remainder of the division of the value on the left of the operator by the value on the right of the operator.
^	Exponentiation. Raises the value on the left of the operator to the power on the right of the operator.

Example

Dim Answer1, Answer2 As Single
Answer1 = 1 + (2 / 3)
Answer2 = (1 + 2) / 3)

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String Operators

Visual Basic supplies the concatenation operator (&) to put together individual data strings to create a longer string of those combinations and the Like operator looks for matching characters in a string.

Operator	Use
& or +	Concatenation. Appends the string value appearing on the right of the operator to the string value on the left of the operator.
Like	Determines whether a string matches a given pattern.

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