ATAN

    Syntax

    ATAN( number )
    

    Description

    Returns the arctangent of number in radians.

    Argument types:

    • numberFractional number | Integer

    Return type: Fractional number

    Example

    [n] ATAN([n])
    -1.00 -0.79
    -0.87 -0.71
    -0.71 -0.62
    -0.50 -0.46
    0.00 0.00
    0.50 0.46
    0.71 0.62
    0.87 0.71
    1.00 0.79

    Data source support

    ClickHouse 19.13, Microsoft SQL Server 2017 (14.0), MySQL 5.6, PostgreSQL 9.3.