Character names

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Introduction

The characters used by this wiki and by NARS2000 when writing a workspace to disk have a specific name in order that they can be displayed in ASCII text and if necessary for display purposes they have a specific Unicode value so that they can be read exactly if read from a binary file and so they can be displayed within the APL font.

When it is necessary to describe a character it's usually easier to remember the name than a hexidecimal code number. For example, the APL quad symbol "⎕" is internalized as Unicode U+9109, it can be displayed on a web page using the symbol ⎕ or can be referenced on this wiki by the name {quad}. This wiki is set up to show these brace symbols as APL characters in ordinary text.

If you want to show a series of apl characters in monospace, you can surround them block like this: <apl>{quad}</apl> (which looks like this: ) for regular size APL characters (which may be cut off on some displays), or <apll>{quad}</apll> for larger APL characters also in a monospace font, and looks like this: .

Names

The following are the names for the APL symbols. Some symbols have more than one name; either the typical APL use name is used or the description if there isn't a standard function name. If there is more information about the symbol the name will be a link; click on the link to go to the page for how the symbol is used.

Symbol Names
Symbol
or
Glyph
Name Is an Apl
Function
Usable in
Identifiers
Has Key Key
Value
Key
Value (Hex)
A Underline: A
{A_}
Special Symbols
Icon-24-No.png  No Icon-24-Yes.png Yes None 9398 or 57398 [1] 24B6 or E036 [1]
Z Underline: Z
{Z_}
Special Symbols
Icon-24-No.png  No Icon-24-Yes.png Yes None 9423 or 57423 [1] 24CF or E04F [1]
0 0 - Zero
Special Symbols
Icon-24-No.png  No Second and subsequent characters 0 0030 001E
9 9 - Nine
Special Symbols
Icon-24-No.png  No Second and subsequent characters 9 0039 0027
| {abs} Icon-24-Yes.png Yes Icon-24-No.png  No SHIFT+\ 0124 or 2223 [2] 007C or 08AF [2]
{alpha} Icon-24-No.png  No Icon-24-Yes.png Yes ALT+A 9082 237A
{and} Icon-24-Yes.png Yes Icon-24-No.png  No ALT+0 (Zero) 8743 2227
{assign} Icon-24-Yes.png Yes Icon-24-No.png  No ALT+[ 8592 2190
{basevalue} Icon-24-Yes.png Yes Icon-24-No.png  No ALT+B 8869 22A5
{ceiling} Icon-24-Yes.png Yes Icon-24-No.png  No ALT+S 8968 2308
{circle} Icon-24-Yes.png Yes Icon-24-No.png  No ALT+O 9675 25CB
{circlebar} Icon-24-Yes.png Yes Icon-24-No.png  No ALT+SHIFT+7 8854 2296
{circlemiddledot} Icon-24-Yes.png Yes Icon-24-No.png  No ALT+SHIFT+/ (Slash) 8857 2299
{circleslope} Icon-24-Yes.png Yes Icon-24-No.png  No ALT+SHIFT+6 9033 2349
{circlestile} Icon-24-Yes.png Yes Icon-24-No.png  No ALT+SHIFT+5 9021 233D
, {comma} Icon-24-Yes.png Yes Icon-24-No.png  No , 0044 002C
{commabar} Icon-24-Yes.png Yes Icon-24-No.png  No ALT+SHIFT+` (Accent Grave) 9066 236A
{comment} Icon-24-Yes.png Yes Icon-24-No.png  No ALT+, (Comma) 9053 235D
{commute} YesNo Icon-24-No.png  NoIcon-24-Yes.png Yes SHIFT+ALT+? 9064 2368
{compose} YesNo Icon-24-No.png  NoIcon-24-Yes.png Yes SHIFT+ALT+? 8728 2218}
{dagger} Icon-24-No.png  No Icon-24-No.png  No SHIFT+ALT+? 0123 007B
{del} Icon-24-Yes.png Yes Icon-24-No.png  No ALT+G 8711 2207
{delta} Icon-24-No.png  No Icon-24-Yes.png Yes ALT+H 8710 2206
{deltaunderbar} Icon-24-No.png  No Icon-24-Yes.png Yes ALT+SHIFT+H 9049 2359
{dex} Icon-24-Yes.png Yes Icon-24-No.png  No ALT+\ 8866 22A2
{diamond} Icon-24-Yes.png Yes Icon-24-No.png  No ALT+` 8900 22C4
¨ {dieresis} Icon-24-Yes.png Yes Icon-24-No.png  No ALT+1 (One) 0168 00A8
× {direction} Icon-24-Yes.png Yes Icon-24-No.png  No ALT+- (Minus) 0215 00D7
÷ {divide} Icon-24-Yes.png Yes Icon-24-No.png  No ALT+= (Equal) 0247 00F7
{domino} Icon-24-Yes.png Yes Icon-24-No.png  No ALT+SHIFT+= (Equal) 9017 2339
{downshoe} YesNo Icon-24-No.png  NoIcon-24-Yes.png Yes SHIFT+ALT+? 8746 222A
{downshoestile} Icon-24-No.png  No Icon-24-No.png  No SHIFT+ALT+? 9062 2366
{downstile} Icon-24-Yes.png Yes Icon-24-No.png  No ALT+D 8970 230A
{downtack} Icon-24-Yes.png Yes Icon-24-No.png  No ALT+N 8868 22A4
{drop} Icon-24-Yes.png Yes Icon-24-No.png  No SHIFT+ALT+? 8595 2193
¨ {each} YesNo Icon-24-No.png  NoIcon-24-Yes.png Yes SHIFT+ALT+? 0168 00A8
{enclose} YesNo Icon-24-No.png  NoIcon-24-Yes.png Yes SHIFT+ALT+? 8834 2282
{epsilon} YesNo Icon-24-No.png  NoIcon-24-Yes.png Yes SHIFT+ALT+? 8714 220A
{epsilonunderbar} Icon-24-Yes.png Yes Icon-24-No.png  No ALT+SHIFT+E 9079 2377
= {equal} Icon-24-Yes.png Yes Icon-24-No.png  NoIcon-24-Yes.png Yes SHIFT+ALT+? 0061 003D
{execute} Icon-24-Yes.png Yes Icon-24-No.png  NoIcon-24-Yes.png Yes SHIFT+ALT+? 9038 234E
! {factorial} Icon-24-Yes.png Yes Icon-24-No.png  No SHIFT+1 (One) 0033 0021
{find} YesNo Icon-24-No.png  NoIcon-24-Yes.png Yes SHIFT+ALT+? 9079 2377
{floor} Icon-24-Yes.png Yes Icon-24-No.png  No ALT+D 8970 230A
{format} Icon-24-Yes.png Yes Icon-24-No.png  NoIcon-24-Yes.png Yes SHIFT+ALT+? 9045 2355
Dual operator
{frog}
Icon-24-No.png  No Icon-24-No.png  NoIcon-24-Yes.png Yes SHIFT+ALT+? 9058 2362
greater than or equal
{ge}
Icon-24-Yes.png Yes Icon-24-No.png  NoIcon-24-Yes.png Yes SHIFT+ALT+? 8805 2265
{goto} Icon-24-Yes.png Yes Icon-24-No.png  No ALT+] 8594 2192
{gradedown} Icon-24-Yes.png Yes Icon-24-No.png  No ALT+SHIFT+3 9042 2352
{gradeup} Icon-24-Yes.png Yes Icon-24-No.png  No ALT+SHIFT+4 9035 234B
{iota} Icon-24-Yes.png Yes Icon-24-No.png  NoIcon-24-Yes.png Yes SHIFT+ALT+? 9075 {{{hex}}}
{iotaunderbar} YesNo Icon-24-No.png  NoIcon-24-Yes.png Yes SHIFT+ALT+? 9080 {{{hex}}}
{jot} YesNo Icon-24-No.png  NoIcon-24-Yes.png Yes SHIFT+ALT+? 8728 {{{hex}}}
{lamp} Icon-24-Yes.png Yes Icon-24-No.png  No ALT+, (Comma) 9053 {{{hex}}}
less than or equal
{le}
Icon-24-Yes.png Yes Icon-24-No.png  NoIcon-24-Yes.png Yes SHIFT+ALT+? 8804 {{{hex}}}
{leftarrow} Icon-24-Yes.png Yes Icon-24-No.png  No ALT+] 8592 {{{hex}}}
{ {leftbrace} Icon-24-No.png  No Icon-24-No.png  No [ 123 {{{hex}}}
{leftshoeunderbar} YesNo Icon-24-No.png  NoIcon-24-Yes.png Yes SHIFT+ALT+? 8838 {{{hex}}}
{lefttack} Icon-24-Yes.png Yes Icon-24-No.png  No ALT+SHIFT+\ 8867 {{{hex}}}
{lev} Icon-24-Yes.png Yes Icon-24-No.png  No ALT+SHIFT+\ (Backslash) 8867 {{{hex}}}
{log} Icon-24-Yes.png Yes Icon-24-No.png  No ALT+SHIFT+8 9055 235F
| {magnitude} Icon-24-Yes.png Yes Icon-24-No.png  No SHIFT+\ (Backslash) 124 or 2223 {{{hex}}}
{match} Icon-24-Yes.png Yes Icon-24-No.png  No ALT+SHIFT+1 (One) 8801 {{{hex}}}
- {minus} Icon-24-Yes.png Yes Icon-24-No.png  No + 45 {{{hex}}}
{mismatch} Icon-24-Yes.png Yes Icon-24-No.png  No ALT+SHIFT+2 8802 2262
| {mod} Icon-24-Yes.png Yes Icon-24-No.png  No SHIFT+\ (Backslash) 124 or 2223 {{{hex}}}
× {multiply} Icon-24-Yes.png Yes Icon-24-No.png  No ALT+- (Minus) 215 {{{hex}}}
{nand} Icon-24-Yes.png Yes Icon-24-No.png  No ALT+SHIFT+0 (zero) 9074 {{{hex}}}
not equal
{ne}
Icon-24-Yes.png Yes Icon-24-No.png  No SHIFT+ALT+? 8800 {{{hex}}}
¯ {neg} Icon-24-Yes.png Yes Icon-24-No.png  No ALT+2 175 {{{hex}}}
{notmatch} Icon-24-Yes.png Yes Icon-24-No.png  No ALT+SHIFT+2 8802 2262
{nor} Icon-24-Yes.png Yes Icon-24-No.png  No SHIFT+ALT+9 9073 {{{hex}}}
~ {not} YesNo Icon-24-No.png  NoIcon-24-Yes.png Yes SHIFT+ALT+? 126 {{{hex}}}
{omega} Icon-24-No.png  No Icon-24-Yes.png Yes ALT+W 9077 {{{hex}}}
{or} YesNo Icon-24-No.png  NoIcon-24-Yes.png Yes SHIFT+ALT+? 8744 {{{hex}}}
{pass} Icon-24-Yes.png Yes Icon-24-No.png  No ALT+SHIFT+\ (Backslash) 8867 {{{hex}}}
π {pi} YesNo Icon-24-No.png  NoIcon-24-Yes.png Yes SHIFT+ALT+? 960 {{{hex}}}
{pick} YesNo Icon-24-No.png  NoIcon-24-Yes.png Yes SHIFT+ALT+? 8835 {{{hex}}}
{pitimes} Icon-24-Yes.png Yes Icon-24-No.png  No ALT+O (Letter O) 9675 {{{hex}}}
+ {plus} Icon-24-Yes.png Yes Icon-24-No.png  No + 43 {{{hex}}}
* {power} Icon-24-Yes.png Yes Icon-24-No.png  No SHIFT+8 42 {{{hex}}}
{quad} Icon-24-Yes.png Yes Icon-24-No.png  No ALT+L 9109 {{{hex}}}
{quadslope} Icon-24-No.png  No Icon-24-No.png  No None 9026 {{{hex}}}
? {query} Icon-24-Yes.png Yes Icon-24-No.png  No ? (Question Mark 63 {{{hex}}}
{quotequad} Icon-24-Yes.png Yes Icon-24-No.png  No ALT+SHIFT+[ (Open Brace) 9054 {{{hex}}}
? {random} Icon-24-Yes.png Yes Icon-24-No.png  No ? (Question Mark) 63 {{{hex}}}
{rank} Icon-24-Yes.png Yes Icon-24-No.png  No ALT+SHIFT+J 9060 {{{hex}}}
{represent} Icon-24-Yes.png Yes Icon-24-No.png  No ALT+N 8868 {{{hex}}}
| {residue} Icon-24-Yes.png Yes Icon-24-No.png  No SHIFT+\ 124 or 2223 {{{hex}}}
{rho} Icon-24-Yes.png Yes Icon-24-No.png  No ALT+R 9076 {{{hex}}}
{rightarrow} Icon-24-Yes.png Yes Icon-24-No.png  No ALT+] (Close Brace) 8594 {{{hex}}}
} {rightbrace} Icon-24-No.png  No Icon-24-No.png  No ] 125 {{{hex}}}
{rightshoe} YesNo Icon-24-No.png  NoIcon-24-Yes.png Yes SHIFT+ALT+? 8835 {{{hex}}}
{rightshoeunderbar} YesNo Icon-24-No.png  NoIcon-24-Yes.png Yes SHIFT+ALT+? 8839 {{{hex}}}
{righttack} Icon-24-Yes.png Yes Icon-24-No.png  No ALT+\ (Backslash) 8866 {{{hex}}}
{root} Icon-24-Yes.png Yes Icon-24-No.png  No ALT+SHIFT+R 8730 {{{hex}}}
{rotate} Icon-24-Yes.png Yes Icon-24-No.png  No ALT+SHIFT+5 9021 233D
§ Multiset Symmetric Difference
{section}
Icon-24-Yes.png Yes Icon-24-No.png  No ALT+SHIFT+S 167 {{{hex}}}
{shreik} {shreik} Icon-24-Yes.png Yes Icon-24-No.png  No SHIFT+1 (One) 33 {{{hex}}}
× {sign} Icon-24-Yes.png Yes Icon-24-No.png  No ALT+- (Minus) 215 {{{hex}}}
× {signum} Icon-24-Yes.png Yes Icon-24-No.png  No ALT+- (Minus) 215 {{{hex}}}
{slashbar} Icon-24-Yes.png YesIcon-24-No.png  No Icon-24-No.png  NoIcon-24-Yes.png Yes SHIFT+ALT+? 9023 {{{hex}}}
{slopebar} Icon-24-Yes.png YesIcon-24-No.png  No Icon-24-No.png  NoIcon-24-Yes.png Yes SHIFT+ALT+? 9024 {{{hex}}}
{sourpuss} Icon-24-No.png  No Icon-24-No.png  No SHIFT+ALT+? 9059 {{{hex}}}
Convolution
{snout}
Icon-24-No.png  No Icon-24-No.png  No SHIFT+ALT+? 9057 {{{hex}}}
{squad} Icon-24-Yes.png YesIcon-24-No.png  No Icon-24-No.png  NoIcon-24-Yes.png Yes SHIFT+ALT+? 9015 {{{hex}}}
* {star} Icon-24-Yes.png Yes Icon-24-No.png  No SHIFT+8 42 {{{hex}}}
| {stile} Icon-24-Yes.png Yes Icon-24-No.png  No SHIFT+\ (Backslash) 124 or 2223 {{{hex}}}
{stop} Icon-24-Yes.png Yes Icon-24-No.png  No ALT+\ (Backslash) 8866 {{{hex}}}
{take} Icon-24-Yes.png Yes Icon-24-No.png  No ALT+Y 8593 {{{hex}}}
× {times} Icon-24-Yes.png Yes Icon-24-No.png  No ALT+- (ALT Minus) 215 {{{hex}}}
{transpose} Icon-24-Yes.png Yes Icon-24-No.png  No ALT+SHIFT+6 9033 2349
_ {underbar} Icon-24-No.png  No Icon-24-Yes.png Yes SHIFT - (Minus) 0095 {{{hex}}}
{union} Icon-24-Yes.png YesIcon-24-No.png  No Icon-24-No.png  NoIcon-24-Yes.png Yes SHIFT+ALT+? 8746 {{{hex}}}
{uparrow} Icon-24-Yes.png YesIcon-24-No.png  No Icon-24-No.png  NoIcon-24-Yes.png Yes SHIFT+ALT+? 8593 {{{hex}}}
{upon} Icon-24-Yes.png YesIcon-24-No.png  No Icon-24-No.png  NoIcon-24-Yes.png Yes SHIFT+ALT+? 9061 {{{hex}}}
{upshoe} Icon-24-Yes.png YesIcon-24-No.png  No Icon-24-No.png  NoIcon-24-Yes.png Yes SHIFT+ALT+? 8745 {{{hex}}}
{upstile} Icon-24-Yes.png Yes Icon-24-No.png  No ALT+S 8968 {{{hex}}}
{uptack} Icon-24-Yes.png Yes Icon-24-No.png  No ALT+B 8869 {{{hex}}}
{zilde} Icon-24-Yes.png Yes Icon-24-No.png  No ALT+SHIFT+] (Close Brace) 9068 {{{hex}}}

Notes

[1] NARS2000 generates the underlined characters using the Unicode Private Character range 57398-57423 or 0xE036-0xE04F; the SimPL Medium and APL385 Unicode can use the circled letters at 9398-2423 or 0x24B6-0x24CF to substitute for these.

[2] The ABS symbol is typed as character 124, but the Unicode symbol is 2223.

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