Miscellaneous Technical
RangeU+2300..U+23FF
(256 code points)
PlaneBMP
ScriptsCommon
Symbol setsTechnical
APL symbols
Dentistry notation
Assigned256 code points
Unused0 reserved code points
2 deprecated
Source standardsISO 2047, ISO 9995-7
Unicode version history
1.0.0 (1991)45 (+45)
1.0.1 (1992)43 (-2)
1.1 (1993)122 (+79)
3.0 (1999)154 (+32)
3.2 (2002)207 (+53)
4.0 (2003)209 (+2)
4.1 (2005)220 (+11)
5.0 (2006)232 (+12)
5.2 (2009)233 (+1)
6.0 (2010)244 (+11)
7.0 (2014)251 (+7)
9.0 (2016)255 (+4)
10.0 (2017)256 (+1)
Unicode documentation
Code chart ∣ Web page
Note: Two characters were removed from the Miscellaneous Technical block in version 1.0.1 during the process of unifying with ISO 10646.[1][2][3][4]

Miscellaneous Technical is a Unicode block ranging from U+2300 to U+23FF, which contains various common symbols which are related to and used in the various technical, programming language, and academic professions. For example:

  • Symbol ⌂ (HTML hexadecimal code is ⌂) represents a house or a home.
  • Symbol ⌘ (⌘) is a "place of interest" sign. It may be used to represent the Command key on a Mac keyboard.
  • Symbol ⌚ (⌚) is a watch (or clock).
  • Symbol ⏏ (⏏) is the "Eject" button symbol found on electronic equipment.
  • Symbol ⏚ (⏚) is the "Earth Ground" symbol found on electrical or electronic manual, tag and equipment.

It also includes most of the uncommon symbols used by the APL programming language.

Miscellaneous Technical (2300–23FF) in Unicode

In Unicode, Miscellaneous Technical symbols placed in the hexadecimal range 0x2300–0x23FF, (decimal 8960–9215), as described below.

(2300–233F)

2300231023202330
SymbolNameSymbolNameSymbolNameSymbolName Last Hex#
HTML HexHTML HexHTML HexHTML Hex
DecPictureDecPictureDecPictureDecPicture
DIAMETER SIGNREVERSED NOT SIGNTOP HALF INTEGRALTOTAL RUNOUT 0
⌀⌐⌠⌰
⌀⌐⌠⌰
ELECTRIC ARROWSQUARE LOZENGEBOTTOM HALF INTEGRALDIMENSION ORIGIN 1
⌁⌑⌡⌱
⌁⌑⌡⌱
HOUSEARCFROWNCONICAL TAPER 2
⌂⌒⌢⌲
⌂⌒⌢⌲
UP ARROWHEADSEGMENTSMILESLOPE 3
⌃⌓⌣⌳
⌃⌓⌣⌳
DOWN ARROWHEADSECTORUP ARROWHEAD BETWEEN TWO HORIZONTAL BARSCOUNTERBORE 4
⌄⌔⌤⌴
⌄⌔⌤⌴
PROJECTIVETELEPHONE RECORDEROPTION KEYCOUNTERSINK 5
⌅⌕⌥⌵
⌅⌕⌥⌵
PERSPECTIVEPOSITION INDICATORERASE TO THE RIGHTAPL FUNCTIONAL SYMBOL I-BEAM 6
⌆⌖⌦⌶
⌆⌖⌦⌶
WAVY LINEVIEWDATA SQUARE[6]X IN A RECTANGLE BOXAPL FUNCTIONAL SYMBOL SQUISH QUAD 7
⌇⌗⌧⌷
⌇⌗⌧⌷
LEFT CEILINGPLACE OF INTEREST SIGNKEYBOARDAPL FUNCTIONAL SYMBOL QUAD EQUAL 8
⌈⌘⌨⌸
⌈⌘⌨⌸
RIGHT CEILINGTURNED NOT SIGNLEFT-POINTING ANGLE BRACKETAPL FUNCTIONAL SYMBOL QUAD DIVIDE 9
⌉⌙〈⌹
⌉⌙〈⌹
LEFT FLOORWATCHRIGHT-POINTING ANGLE BRACKETAPL FUNCTIONAL SYMBOL QUAD DIAMOND A
⌊⌚〉⌺
⌊⌚〉⌺
RIGHT FLOORHOURGLASSERASE TO THE LEFTAPL FUNCTIONAL SYMBOL QUAD JOT B
⌋⌛⌫⌻
⌋⌛⌫⌻
BOTTOM RIGHT CROPTOP LEFT CORNERBENZENE RINGAPL FUNCTIONAL SYMBOL QUAD CIRCLE C
⌌⌜⌬⌼
⌌⌜⌬⌼
BOTTOM LEFT CROPTOP RIGHT CORNERCYLINDRICITYAPL FUNCTIONAL SYMBOL CIRCLE STILE D
⌍⌝⌭⌽
⌍⌝⌭⌽
TOP RIGHT CROPBOTTOM LEFT CORNERALL AROUND-PROFILEAPL FUNCTIONAL SYMBOL CIRCLE JOT E
⌎⌞⌮⌾
⌎⌞⌮⌾
TOP LEFT CROPBOTTOM RIGHT CORNERSYMMETRYAPL FUNCTIONAL SYMBOL SLASH BAR F
⌏⌟⌯⌿
⌏⌟⌯⌿
2300231023202330
1.^ Unicode code points U+2329 & U+232A are deprecated.

(2340–237F)

2340235023602370
SymbolNameSymbolNameSymbolNameSymbolName Last Hex#
HTML HexHTML HexHTML HexHTML Hex
DecPictureDecPictureDecPictureDecPicture
APL FUNCTIONAL SYMBOL BACKSLASH BARAPL FUNCTIONAL SYMBOL QUAD UPWARDS ARROWAPL FUNCTIONAL SYMBOL QUAD COLONAPL FUNCTIONAL SYMBOL QUAD QUESTION 0
⍀⍐⍠⍰
⍀⍐⍠⍰
APL FUNCTIONAL SYMBOL QUAD SLASHAPL FUNCTIONAL SYMBOL UP TACK OVERBARAPL FUNCTIONAL SYMBOL UP TACK DIAERESISAPL FUNCTIONAL SYMBOL DOWN CARET TILDE 1
⍁⍑⍡⍱
⍁⍑⍡⍱
APL FUNCTIONAL SYMBOL QUAD BACKSLASHAPL FUNCTIONAL SYMBOL DEL STILEAPL FUNCTIONAL SYMBOL DEL DIAERESISAPL FUNCTIONAL SYMBOL UP CARET TILDE 2
⍂⍒⍢⍲
⍂⍒⍢⍲
APL FUNCTIONAL SYMBOL QUAD LESS-THANAPL FUNCTIONAL SYMBOL QUAD UP CARETAPL FUNCTIONAL SYMBOL STAR DIAERESISAPL FUNCTIONAL SYMBOL IOTA 3
⍃⍓⍣⍳
⍃⍓⍣⍳
APL FUNCTIONAL SYMBOL QUAD GREATER-THANAPL FUNCTIONAL SYMBOL QUAD DELAPL FUNCTIONAL SYMBOL JOT DIAERESISAPL FUNCTIONAL SYMBOL RHO 4
⍄⍔⍤⍴
⍄⍔⍤⍴
APL FUNCTIONAL SYMBOL LEFTWARDS VANEAPL FUNCTIONAL SYMBOL UP TACK JOTAPL FUNCTIONAL SYMBOL CIRCLE DIAERESISAPL FUNCTIONAL SYMBOL OMEGA 5
⍅⍕⍥⍵
⍅⍕⍥⍵
APL FUNCTIONAL SYMBOL RIGHTWARDS VANEAPL FUNCTIONAL SYMBOL DOWNWARDS VANEAPL FUNCTIONAL SYMBOL DOWN SHOE STILEAPL FUNCTIONAL SYMBOL ALPHA UNDERBAR 6
⍆⍖⍦⍶
⍆⍖⍦⍶
APL FUNCTIONAL SYMBOL QUAD LEFTWARDS ARROWAPL FUNCTIONAL SYMBOL QUAD DOWNWARDS ARROWAPL FUNCTIONAL SYMBOL LEFT SHOE STILEAPL FUNCTIONAL SYMBOL EPSILON UNDERBAR 7
⍇⍗⍧⍷
⍇⍗⍧⍷
APL FUNCTIONAL SYMBOL QUAD RIGHTWARDS ARROWAPL FUNCTIONAL SYMBOL QUOTE UNDERBARAPL FUNCTIONAL SYMBOL TILDE DIAERESISAPL FUNCTIONAL SYMBOL IOTA UNDERBAR 8
⍈⍘⍨⍸
⍈⍘⍨⍸
APL FUNCTIONAL SYMBOL CIRCLE BACKSLASHAPL FUNCTIONAL SYMBOL DELTA UNDERBARAPL FUNCTIONAL SYMBOL GREATER-THAN DIAERESISAPL FUNCTIONAL SYMBOL OMEGA UNDERBAR 9
⍉⍙⍩⍹
⍉⍙⍩⍹
APL FUNCTIONAL SYMBOL DOWN TACK UNDERBARAPL FUNCTIONAL SYMBOL DIAMOND UNDERBARAPL FUNCTIONAL SYMBOL COMMA BARAPL FUNCTIONAL SYMBOL ALPHA A
⍊⍚⍪⍺
⍊⍚⍪⍺
APL FUNCTIONAL SYMBOL DELTA STILEAPL FUNCTIONAL SYMBOL JOT UNDERBARAPL FUNCTIONAL SYMBOL DEL TILDENOT CHECK MARK B
⍋⍛⍫⍻
⍋⍛⍫⍻
APL FUNCTIONAL SYMBOL QUAD DOWN CARETAPL FUNCTIONAL SYMBOL CIRCLE UNDERBARAPL FUNCTIONAL SYMBOL ZILDERIGHT ANGLE WITH DOWNWARDS ZIGZAG ARROW. It is unknown what this sign is meant to be used for.[7][8] C
⍌⍜⍬⍼
⍌⍜⍬⍼
APL FUNCTIONAL SYMBOL QUAD DELTAAPL FUNCTIONAL SYMBOL UP SHOE JOTAPL FUNCTIONAL SYMBOL STILE TILDESHOULDERED OPEN BOX D
⍍⍝⍭⍽
⍍⍝⍭⍽
APL FUNCTIONAL SYMBOL DOWN TACK JOTAPL FUNCTIONAL SYMBOL QUOTE QUADAPL FUNCTIONAL SYMBOL SEMICOLON UNDERBARBELL SYMBOL E
⍎⍞⍮⍾
⍎⍞⍮⍾
APL FUNCTIONAL SYMBOL UPWARDS VANEAPL FUNCTIONAL SYMBOL CIRCLE STARAPL FUNCTIONAL SYMBOL QUAD NOT EQUALVERTICAL LINE WITH MIDDLE DOT F
⍏⍟⍯⍿
⍏⍟⍯⍿
2340235023602370

(2380–23BF)

2380239023A023B0
SymbolNameSymbolNameSymbolNameSymbolName Last Hex#
HTML HexHTML HexHTML HexHTML Hex
DecPictureDecPictureDecPictureDecPicture
INSERTION SYMBOLOPEN-CIRCUIT-OUTPUT L-TYPE SYMBOLRIGHT PARENTHESIS LOWER HOOKUPPER LEFT OR LOWER RIGHT CURLY BRACKET SECTION 0
⎀⎐⎠⎰
⎀⎐⎠⎰
CONTINUOUS UNDERLINE SYMBOLPASSIVE-PULL-DOWN-OUTPUT SYMBOLLEFT SQUARE BRACKET UPPER CORNERUPPER RIGHT OR LOWER LEFT CURLY BRACKET SECTION 1
⎁⎑⎡⎱
⎁⎑⎡⎱
DISCONTINUOUS UNDERLINE SYMBOLPASSIVE-PULL-UP-OUTPUT SYMBOLLEFT SQUARE BRACKET EXTENSIONSUMMATION TOP 2
⎂⎒⎢⎲
⎂⎒⎢⎲
EMPHASIS SYMBOLDIRECT CURRENT SYMBOL FORM TWOLEFT SQUARE BRACKET LOWER CORNERSUMMATION BOTTOM 3
⎃⎓⎣⎳
⎃⎓⎣⎳
COMPOSITION SYMBOLSOFTWARE-FUNCTION SYMBOLRIGHT SQUARE BRACKET UPPER CORNERTOP SQUARE BRACKET 4
⎄⎔⎤⎴
⎄⎔⎤⎴
WHITE SQUARE WITH CENTRE VERTICAL LINEAPL FUNCTIONAL SYMBOL QUADRIGHT SQUARE BRACKET EXTENSIONBOTTOM SQUARE BRACKET 5
⎅⎕⎥⎵
⎅⎕⎥⎵
ENTER SYMBOLDECIMAL SEPARATOR KEY SYMBOLRIGHT SQUARE BRACKET LOWER CORNERBOTTOM SQUARE BRACKET OVER TOP SQUARE BRACKET 6
⎆⎖⎦⎶
⎆⎖⎦⎶
ALTERNATIVE KEY SYMBOLPREVIOUS PAGELEFT CURLY BRACKET UPPER HOOKRADICAL SYMBOL BOTTOM 7
⎇⎗⎧⎷
⎇⎗⎧⎷
HELM SYMBOLNEXT PAGELEFT CURLY BRACKET MIDDLE PIECELEFT VERTICAL BOX LINE 8
⎈⎘⎨⎸
⎈⎘⎨⎸
CIRCLED HORIZONTAL BAR WITH NOTCHPRINT SCREEN SYMBOLLEFT CURLY BRACKET LOWER HOOKRIGHT VERTICAL BOX LINE 9
⎉⎙⎩⎹
⎉⎙⎩⎹
CIRCLED TRIANGLE DOWNCLEAR SCREEN SYMBOLCURLY BRACKET EXTENSIONHORIZONTAL SCAN LINE-1 A
⎊⎚⎪⎺
⎊⎚⎪⎺
BROKEN CIRCLE WITH NORTHWEST ARROWLEFT PARENTHESIS UPPER HOOKRIGHT CURLY BRACKET UPPER HOOKHORIZONTAL SCAN LINE-3 B
⎋⎛⎫⎻
⎋⎛⎫⎻
UNDO SYMBOLLEFT PARENTHESIS EXTENSIONRIGHT CURLY BRACKET MIDDLE PIECEHORIZONTAL SCAN LINE-7 C
⎌⎜⎬⎼
⎌⎜⎬⎼
MONOSTABLE SYMBOLLEFT PARENTHESIS LOWER HOOKRIGHT CURLY BRACKET LOWER HOOKHORIZONTAL SCAN LINE-9 D
⎍⎝⎭⎽
⎍⎝⎭⎽
HYSTERESIS SYMBOLRIGHT PARENTHESIS UPPER HOOKINTEGRAL EXTENSIONDENTISTRY SYMBOL LIGHT VERTICAL AND TOP RIGHT E
⎎⎞⎮⎾
⎎⎞⎮⎾
OPEN-CIRCUIT-OUTPUT H-TYPE SYMBOLRIGHT PARENTHESIS EXTENSIONHORIZONTAL LINE EXTENSIONDENTISTRY SYMBOL LIGHT VERTICAL AND BOTTOM RIGHT F
⎏⎟⎯⎿
⎏⎟⎯⎿
2380239023A023B0

(23C0–23FF)

23C023D023E023F0
SymbolNameSymbolNameSymbolNameSymbolName Last Hex#
HTML HexHTML HexHTML HexHTML Hex
DecPictureDecPictureDecPictureDecPicture
DENTISTRY SYMBOL LIGHT VERTICAL WITH CIRCLEVERTICAL LINE EXTENSIONTOP TORTOISE SHELL BRACKETALARM CLOCK 0
⏀⏐⏠⏰
⏀⏐⏠⏰
DENTISTRY SYMBOL LIGHT DOWN AND HORIZONTAL WITH CIRCLEMETRICAL BREVEBOTTOM TORTOISE SHELL BRACKETSTOPWATCH 1
⏁⏑⏡⏱
⏁⏑⏡⏱
DENTISTRY SYMBOL LIGHT UP AND HORIZONTAL WITH CIRCLEMETRICAL LONG OVER SHORTWHITE TRAPEZIUMTIMER CLOCK 2
⏂⏒⏢⏲
⏂⏒⏢⏲
DENTISTRY SYMBOL LIGHT VERTICAL WITH TRIANGLEMETRICAL SHORT OVER LONGBENZENE RING WITH CIRCLEHOURGLASS WITH FLOWING SAND 3
⏃⏓⏣⏳
⏃⏓⏣⏳
DENTISTRY SYMBOL LIGHT DOWN AND HORIZONTAL WITH TRIANGLEMETRICAL LONG OVER TWO SHORTSSTRAIGHTNESSBLACK MEDIUM LEFT-POINTING TRIANGLE 4
⏄⏔⏤⏴
⏄⏔⏤⏴
DENTISTRY SYMBOL LIGHT UP AND HORIZONTAL WITH TRIANGLEMETRICAL TWO SHORTS OVER LONGFLATNESSBLACK MEDIUM RIGHT-POINTING TRIANGLE 5
⏅⏕⏥⏵
⏅⏕⏥⏵
DENTISTRY SYMBOL LIGHT VERTICAL AND WAVEMETRICAL TWO SHORTS JOINEDAC CURRENTBLACK MEDIUM UP-POINTING TRIANGLE 6
⏆⏖⏦⏶
⏆⏖⏦⏶
DENTISTRY SYMBOL LIGHT DOWN AND HORIZONTAL WITH WAVEMETRICAL TRISEMEELECTRICAL INTERSECTIONBLACK MEDIUM DOWN-POINTING TRIANGLE 7
⏇⏗⏧⏷
⏇⏗⏧⏷
DENTISTRY SYMBOL LIGHT UP AND HORIZONTAL WITH WAVEMETRICAL TETRASEMEDECIMAL EXPONENT SYMBOLDOUBLE VERTICAL BAR 8
⏈⏘⏨⏸
⏈⏘⏨10⏸
DENTISTRY SYMBOL LIGHT DOWN AND HORIZONTALMETRICAL PENTASEMEBLACK RIGHT-POINTING DOUBLE TRIANGLEBLACK SQUARE FOR STOP 9
⏉⏙⏩⏹
⏉⏙⏩⏹
DENTISTRY SYMBOL LIGHT UP AND HORIZONTALEARTH GROUNDBLACK LEFT-POINTING DOUBLE TRIANGLEBLACK CIRCLE FOR RECORD A
⏊⏚⏪⏺
⏊⏚⏪⏺
DENTISTRY SYMBOL LIGHT VERTICAL AND TOP LEFTFUSEBLACK UP-POINTING DOUBLE TRIANGLEPOWER SYMBOL B
⏋⏛⏫⏻
⏋⏛⏫⏻
DENTISTRY SYMBOL LIGHT VERTICAL AND BOTTOM LEFTTOP PARENTHESISBLACK DOWN-POINTING DOUBLE TRIANGLEPOWER ON-OFF SYMBOL C
⏌⏜⏬⏼
⏌⏜⏬⏼
SQUARE FOOTBOTTOM PARENTHESISBLACK RIGHT-POINTING DOUBLE TRIANGLE WITH VERTICAL BARPOWER ON SYMBOL D
⏍⏝⏭⏽
⏍⏝⏭⏽
RETURN SYMBOLTOP CURLY BRACKETBLACK LEFT-POINTING DOUBLE TRIANGLE WITH VERTICAL BARPOWER SLEEP SYMBOL E
⏎⏞⏮⏾
⏎⏞⏮⏾
EJECT SYMBOLBOTTOM CURLY BRACKETBLACK RIGHT-POINTING TRIANGLE WITH DOUBLE VERTICAL BAROBSERVER EYE SYMBOL F
⏏⏟⏯⏿
⏏⏟⏯⏿
23C023D023E023F0

Block

Miscellaneous Technical[1][2]
Official Unicode Consortium code chart (PDF)
 0123456789ABCDEF
U+230x
U+231x
U+232x
U+233x
U+234x
U+235x
U+236x
U+237x
U+238x
U+239x
U+23Ax
U+23Bx
U+23Cx
U+23Dx
U+23Ex
U+23Fx
Notes
1.^ As of Unicode version 15.1
2.^ Unicode code points U+2329 and U+232A are deprecated as of Unicode version 5.2

Emoji

The Miscellaneous Technical block contains eighteen emoji: U+231A–U+231B, U+2328, U+23CF, U+23E9–U+23F3 and U+23F8–U+23FA.[9][10]

All of these characters have standardized variants defined, to specify emoji-style (U+FE0F VS16) or text presentation (U+FE0E VS15) for each character, for a total of 36 variants.[11]

Emoji variation sequences
U+231A231B232823CF23E923EA23EB23EC23ED
default presentationemojiemojitexttextemojiemojiemojiemojitext
base code point
base+VS15 (text)
base+VS16 (emoji)
U+23EE23EF23F023F123F223F323F823F923FA
default presentationtexttextemojitexttextemojitexttexttext
base code point
base+VS15 (text)
base+VS16 (emoji)

History

The following Unicode-related documents record the purpose and process of defining specific characters in the Miscellaneous Technical block:

See also

References

  1. "Unicode 1.0.1 Addendum" (PDF). The Unicode Standard. 1992-11-03. Retrieved 2016-07-09.
  2. Chan, Jonathan (6 April 2023). "update: U+237C ⍼ ". Retrieved 27 December 2023.{{cite web}}: CS1 maint: url-status (link)
  3. "Unicode character database". The Unicode Standard. Retrieved 2023-07-26.
  4. "Enumerated Versions of The Unicode Standard". The Unicode Standard. Retrieved 2023-07-26.
  5. British Standards Institute. Alphanumerics for viewdata and broadcast teletext (PDF). ITSCJ/IPSJ. ISO-IR-47.
  6. Substituted for the underscore in viewdata/teletext displays.[5]
  7. Chan, Jonathan (9 April 2022). "U+237C ⍼ RIGHT ANGLE WITH DOWNWARDS ZIGZAG ARROW". Retrieved 27 December 2023.{{cite web}}: CS1 maint: url-status (link)
  8. List, Jenny (24 April 2022). "Can You Identify This Mystery Unicode Glyph?". Hackaday. Retrieved 25 August 2023.
  9. "UTR #51: Unicode Emoji". Unicode Consortium. 2023-09-05.
  10. "UCD: Emoji Data for UTR #51". Unicode Consortium. 2023-02-01.
  11. "UTS #51 Emoji Variation Sequences". The Unicode Consortium.
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