This article is written about how to use the Oracle/PLSQL ATAN function with syntax and examples.
Description
The Oracle/PLSQL ATAN function returns the arc tangent of a number.
Syntax
The syntax for the ATAN function in Oracle/PLSQL is:
ATAN( number )Parameters or Arguments
number
The number used to calculate the arc tangent.
Returns
The ATAN function returns a numeric value.
Applies To
The ATAN function can be used in the following versions of Oracle/PLSQL:
Oracle 12c, Oracle 11g, Oracle 10g, Oracle 9i, Oracle 8i
Example
Let’s look at some Oracle ATAN function examples and explore how to use the ATAN function in Oracle/PLSQL.
For example:
ATAN(0.2)
Result: 0.197395559849881
ATAN(0.35)
Result: 0.336674819386727
ATAN(-0.15)
Result: -0.148889947609497