Difference between revisions of "MC-Basic:ATAN2"

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{{Languages|MC-Basic:ATAN2}}
 
{{MC-Basic
 
{{MC-Basic
 
|SHORT FORM=
 
|SHORT FORM=
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|DESCRIPTION=
 
|DESCRIPTION=
ATAN2 is used when it is necessary to know not only the absolute value of the angle, but also the quadrant. The first expression is the value on the y axis and the second is the value on the x axis. The result gives the real angle in the range ±π radians.
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ATAN2 is used when it is necessary to know both the absolute value of the angle and the quadrant. The first expression is the value on the y axis and the second is the value on the x axis. The result gives the real angle in the range ±π radians.
  
 
|TYPE=
 
|TYPE=
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|LIMITATIONS=
 
|LIMITATIONS=
Read-Only
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Read only
  
 
|EXAMPLE=
 
|EXAMPLE=
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?Atan2(-1, 1)
 
?Atan2(-1, 1)
:::returns -0.25×π
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::returns -0.25×π
 
   
 
   
 
|SEE ALSO=
 
|SEE ALSO=
* [[Axystems:MC-Basic:ATN|ATN]]
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* [[MC-Basic:ATN|ATN]]
* [[Axystems:MC-Basic:TAN|TAN]]
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* [[MC-Basic:TAN|TAN]]
  
[[Category:Axystems:MC-Basic:Arithmetic Functions|ATAN]]
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[[Category:MC-Basic:Arithmetic Functions|ATAN2]]
  
 
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}}

Latest revision as of 05:32, 17 April 2017

Language: English  • 中文(简体)‎

ATAN2 is used when it is necessary to know both the absolute value of the angle and the quadrant. The first expression is the value on the y axis and the second is the value on the x axis. The result gives the real angle in the range ±π radians.

Syntax

Atan2(<expression>, <expression>)

Availability

All versions

Type

Double

Range

± MaxDouble

Scope

Configuration, Task or Terminal

Limitations

Read only

Examples

?Atan2(1, -1)

returns 0.75×π

?Atan2(-1, 1)

returns -0.25×π

See Also