==== RAD ====
<callout type="primary" color="" icon="fa fa-book" title="Synopsis">
----
Set the angle mode flags to radians
</callout>

<callout color="green" icon="fa fa-indent" title="Stack Diagram">
----
^  __Input Stack__  ^  ^  __Output Stack__  ^
|  ****  |  **→**  |  ****  |
|  //Level 1//  |  //→//  |  //Level 1//  |

{{page>manual:chapter6:aux:legend&nofooter&noeditbtn&inline}}

| **Keyword type**  | [[manual:chapter5:basics#commands|Command]]  ||
| **Parallel list processing capabilities**  | [[manual:chapter5:listproc#group-1commands-that-cannot-parallel-process|Group 1]]  | //Commands that cannot parallel process//  |
| **Affected by flags**  | [[manual:appendix:flags#flags-17-18|-17]]  | //Default angle unit (bit 0)//  |
| ::: | [[manual:appendix:flags#flags-17-18|-18]]  | //Default angle unit (bit 1)//  |













</callout>

<callout color="orangered" icon="fa fa-comment" title="Description">
----
The ''RAD'' command sets flag [[manual:appendix:flags#flags-17-18|–17]] and clears flag [[manual:appendix:flags#flags-17-18|–18]], and displays the ''∡r'' annunciator.\\
\\
In ''RAD'' angle mode, real number arguments that represent angles are interpreted as radians, and real number results that represent angles are expressed in radians.
</callout>

<callout type="success" icon="true" title="Compatibility">
----
''RAD'' is fully equivalent to its **userRPL** counterpart.
</callout>

<callout type="info" icon="true" title="Usage">
----
**__Input__**
<code>
4:                                      
3:                                      
2:                                      
1:                                 'π/2'
…………………………………………………………………………………………………………
RAD →NUM SIN                            
</code>
\\
**__Output__**
<code>
4:                                      
3:                                      
2:                                      
1:                                    1.
…………………………………………………………………………………………………………
                                        
</code>
</callout>

<callout color="darkgray" icon="fa fa-hand-o-right" title="Related Commands">
----
{{page>manual:chapter6:flags&nofooter&noeditbtn&inline}}
</callout>