MC-Basic:ATN

ATN returns the inverse tangent of the expression in radians. The expression is the ratio of the length on the y-axis to the length on the x-axis, and the result is in the range ±π/2 radians.

Syntax

Atn(<expression>)

Availability

All versions

Type

Double

Range

±MaxDouble

Scope

Configuration, Task or Terminal

Limitations

Read-Only

Examples

Program
       Dim x as double
       Dim y as double
       Dim Theta as double
       x=1
       y=2
       Theta=ATN(y/x)

End Program

See Also

• ATAN2
• TAN