MS Access Atn() Function
Definition and Usage
The Atn() function in MS Access calculates and returns the arctangent (inverse tangent) of a number. The arctangent is an angle whose tangent is the given number. The result is expressed in radians.
Syntax
Syntax
Atn(number)
Parameter Values
| Parameter | Description |
|---|---|
number |
Required. A numeric value representing the tangent of the angle. |
Example
Example: Calculating the Arctangent
This example calculates the arctangent of 5. Remember that the result is in radians.
SQL Query
SELECT Atn(5) AS AtnNum;
Output
AtnNum
-------
1.3734007669
Technical Details
The Atn() function is available in MS Access 2000 and later versions.