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{{Article footer}} {{Symbol footer|5|D}}

Note: The symbol is created by ALT+=; ALT+SHIFT+= will produce [[Symbol Domino|Domino]] <big>(<big>'''{domino}'''</big>)</big> {{Article footer}}

This symbol is also known as <big>up tack</big> or APL text symbol '''&#123;uptack}'''. {{Article footer}}

This symbol is also known as <big>star</big> or APL text symbol '''&#123;star}''' . {{Article footer}}

This symbol is also known as <big>random</big> or APL text symbol '''&#123;random}'''. {{Article footer}}

This symbol is also known as <big>down stile</big> or APL text symbol '''&#123;downstile}''' . {{Article footer}}

<h1> {commabar} &mdash; (Replace this with Meaning of symbol) &mdash; Keystroke ?ALT+X &mdash; Character 0000</h1> {{Article footer}}

This symbol is also known as <big>circle</big> or APL text symbol '''&#123;circle}''' . {{Article footer}}

Note: The symbol is created by ALT+SHIFT+r; ALT+r will produce [[Symbol Rho|Rho]] <big>(<big>'''{rho}'''</big>)</big> {{Article footer}}

This symbol is also known as <big>down tack</big> or APL text symbol '''&#123;downtack}''' . {{Article footer}}

Note: The symbol is created by ALT+s; ALT+SHIFT+s will produce [[Symbol Section|Section]] <big>(<big>'''{section}'''</big>)</big> This symbol is also known as <big>up stile</big> or APL text symbol '''&#123;upstile}''' .

Note: The symbol is created by ALT+SHIFT+8; ALT+8 will produce [[Symbol Not Equal|Not Equal]] <big>(<big>'''{notequal}'''</big>)</big> This symbol is also known as <big>circle stile</big> or APL text symbol '''&#123;circlestile}'''.

Note: The symbol is created by ALT+[; ALT+SHIFT+[ will produce [[Symbol Quote Quad|Quote Quad]] <big>(<big>'''{quotequad}'''</big>)</big> This symbol is also known as <big>left arrow</big> or APL text symbol '''&#123;leftarrow}'''.

Note: The symbol is created by ALT+\; ALT+SHIFT+\ will produce [[Symbol Lev|Lev]] <big>(<big>'''{lev}'''</big>)</big> This symbol is also known as <big>right tack</big>, <big>stop</big>, or APL text symbol

...Symbol Slash Bar|slash bar]] (<big>'''{slashbar}'''</big>)</big> or <big>[[Symbol Slope Bar|slope bar]] (<big>'''{slopebar}'''</big>)</big>. {{Article footer}}

Note: The symbol is created by ALT+SHIFT+\; ALT+\ will produce [[Symbol Dex|Dex]] <big>(<big>'''{dex}'''</big>)</big> This symbol is also known as <big>left tack</big>, <big>pass</big>, or APL text symbols

Note: The symbol is created by ALT+-; ALT+SHIFT+- will produce [[Symbol Factorial|Factorial]] <big>(<big>'''{factorial}'''</big>)</big> This symbol is also known as <big>direction</big>, <big>multiply</big>, <big>sign</big>

Note: This symbol is typed as character 124, shift \, but is listed for APL as character 2223 This symbol is also known as <big>abs</big>, <big>magnitude</big>, <big>residue</big>,

{{Article footer}} {{Symbol footer|4|N}}

{{Article footer}} {{Symbol footer|4|L}}

{{Article footer}} {{Symbol footer|4|G}}

{{Article footer}} {{Symbol footer|4|L}}

This symbol is also known as <big>more than</big> or APL text symbol '''&#123;morethan}'''. {{Article footer}}

This symbol is also known as <big>comment</big> or APL text symbol '''&#123;comment}''' . ...ig>) operator cannot be used to start a new line after a <big>{lamp}</big> symbol is used.

...], it is only used for comparison purposes. For assignment, the [[Assign]] symbol is used. {{Article footer}}

This symbol is also known as <big>shreik</big> or APL text symbol '''&#123;shreik}'''. {{Article footer|2|F}}

...are created by NARS2000 when the program starts. They begin with the quad symbol <apl>{quad}</apl>, and one or more letters. The current list of system vari {{Article footer}}

{{Article footer}} {{Symbol footer|11|D}}

...may not return a value. In NARS 2000, unlike other APL systems, the {del} symbol is only used to edit the function, it is not actually used in the header or The <big>{del}</big> symbol is used to edit an APL function. There are two forms:

...apll>''' which is '''<apll>{quad}</apll>''' or prompt and the single quote symbol yielding ''prompt for string'' or <u>character input</u> '''versus''' '''<a {{Article footer|12|Z}}

...are created by NARS2000 when the program starts. They begin with the quad symbol <apl>{quad}</apl>, and one or more letters. The current list of system func {{Article footer}}

...the edit window, you type Control-E, '''do not''' place the <apll>∇</apll> symbol on the function header or use it to attempt to close the function by placin The <apll>)EDIT</apll> command is treated exactly as the <apll>∇</apll> symbol, a <apll>∇</apll> used alone opens a blank window to edit a new function,

...workspace. These values are useful to know in case you encounter a <apll>SYMBOL TABLE FULL</apll> or <apll>HASH TABLE FULL</apll> error message. For examp ...ll numeric and character scalar constants. A Hash Table is used to find a Symbol Table Entry (STE) efficiently.

Because the system function <apll>⎕FMT</apll> has its own Symbol Substitution mechanism, it is not sensitive to the settings in <apll>⎕FC< {{Article footer}}

...e the name of the symbol, click on the link to go to the page defining the symbol. Also see [http://www.sudleyplace.com/APL/Keyboard.ahtml keyboard] and '''[ <!-- Note to future editors; an APL symbol is called "Symbol Name" when it's

* The pound symbol <big><big>#</big></big> may be used to define a "magic function," a user de ...ard system functions by substituting the quad <big><big>{quad}</big></big> symbol for the pound sign as used in the function definition. A magic function has

Note: This is ALT+r; ALT+SHIFT+R will generate the symbol [[Symbol Root|root]] ({root}). <big>Symbol '''{rho}''' when used '''monadically''' (no left argument) returns the '''s

This symbol is also known as <big>right arrow</big> or APL text symbol '''&#123;rightarrow}'''. The goto symbol may be used as a conditional branch (branch based on a comparison) or an un

...the equivalent in roman numerals. The comments to the right of the {lamp} symbol are for edification but are not necessary to use this function. This code i {{Article footer}}

⎕LX←'⎕←Description' ⍝ Notice use of the prompt or quad symbol and assignment arrow in front of the variable's name(⎕←), with APL's en {{Article footer}}

'''Caution:''' Be careful not to confuse this symbol, which is <apll>⌹</apll>, with <apll>⍠</apll> which is [[Variant]]. ...m-solving examples using Matrix Inverse see also '''[[Symbol_Domino|Domino Symbol ⌹]]'''.</big>

Note: The symbol is created by ALT+SHIFT+=; ALT+= will produce [[Symbol Divide|Divide]] <big>(<big>'''{divide}'''</big>)</big><br /> '''Caution:''' Be careful not to confuse this symbol, which is <apll>⌹</apll>, with <apll>⍠</apll> which is [[Variant]].

<td>Symbol substitution</td> ===Symbol Substitution===

...Unicode U+9109 (or hex 2385), it can be displayed on a web page using the symbol '''&amp;#9109;''' (or '''&amp;#x2385''') or can be referenced on this wiki ...l the name will be a link; click on the link to go to the page for how the symbol is used. If a column has up/down arrows next to the name, you can re-sort t

'''Caution:''' Be careful not to confuse this symbol, which is <apll>⍠</apll>, with <apll>⌹</apll> which is [[Matrix Inverse ...!R</apll> ([https://en.wikipedia.org/wiki/Pochhammer_k-symbol Pochhammer k-symbol])</td>