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--- manual:chapter6:stack:cmd_clear [2019/11/28 14:33]
jojo1973 Added flags -28 and -29
+++ manual:chapter6:stack:cmd_clear [2021/09/14 15:25] (current)
jojo1973 Redone
@@ Line 1: / Line 1: @@
 ==== CLEAR ====
-----
 <callout type="primary" color="" icon="fa fa-book" title="Synopsis">
 ----
-Delete any object on the stack, leaving it empty
+Delete all objects on the stack
 </callout>
 <callout color="green" icon="fa fa-indent" title="Stack Diagram">
 ----
-^  __Input Stack__  ^^^   ^  __Output Stack__  ^^^
+^  __Input Stack__  ^^^  ^  __Output Stack__  ^
-|  **O<sub>n</sub>**  |  **...**  |  **O<sub>1</sub>**  |  **→**  |  |
+|  **O<sub>n</sub>**  |  **...**  |  **O<sub>1</sub>**  |  **→**  |  ****  |
 |  //Level n//  |  //...//  |  //Level 1//  |  //→//  |  //Level 1//  |
 {{page>manual:chapter6:aux:legend&nofooter&noeditbtn&inline}}
-|**Type**| [[manual:chapter5:basics#commands|Command]]  ||
+| **Keyword type**  | [[manual:chapter5:basics#commands|Command]]  ||
-|**Parallel list processing**| [[manual:chapter5:listproc#group-1commands-that-cannot-parallel-process|Group 1]]  ||
+| **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#flag-28|-28]] | RPL / RPN stack mode  |
+| **Affected by flags**  | [[manual:appendix:flags#flag-28|-28]]  | //Enable RPN stack mode//  |
-|:::|  [[manual:appendix:flags#flag-29|-29]] | RPN stack depth  |
+| ::: | [[manual:appendix:flags#flag-29|-29]]  | //RPN stack depth//  |
 </callout>
 <callout color="orangered" icon="fa fa-comment" title="Description">
 ----
-The ''CLEAR'' command deletes all the objects from the stack. The contents can be recovered pressing immediately after the **LF** key.
+The ''CLEAR'' command deletes all the objects on the stack. The contents can be recovered pressing immediately after the **LF** key.
-When the stack is in RPN mode ''CLEAR'' fills all the levels with the value of the stack level 4 or level 8, depending on the selected stack depth.
+When in RPN mode ''CLEAR'' fills all the levels with the value stored in the top-most level of the stack.
 </callout>
 <callout type="warning" icon="true" title="Compatibility">
 ----
-This command is only partially compatible with userRPL.
+''CLEAR'' is not fully equivalent to its **userRPL** counterpart.
 In particular:
-  * In userRPL RPN stack mode is not supported.
+  * **userRPL** has no RPN stack mode.
 </callout>
 <callout type="info" icon="true" title="Usage">
 ----
+**__Input__**
 <code>
-:                           123
+:                                   1_m
-:            "This is a string"
+:                       { 'X' 'Y' 'Z' }
-:               { 'X' 'Y' 'Z' }
+:                    "This is a string"
-:                           1_m
+:                                   123
-……………………………………………………………………………………
+…………………………………………………………………………………………………………
 CLEAR
 </code>
-will result in an empty stack.</callout>
+\\
+**__Output__**
+<code>
+:
+:
+:
+:
+…………………………………………………………………………………………………………
+</code>
+</callout>
 <callout color="darkgray" icon="fa fa-hand-o-right" title="Related Commands">
@@ Line 51: / Line 75: @@
 {{page>manual:chapter6:stack&nofooter&noeditbtn&inline}}
 </callout>