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Miscellaneous Technical

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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. It 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

[edit]

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

(2300–233F)

[edit]
2300 2310 2320 2330
Symbol Name Symbol Name Symbol Name Symbol Name Last Hex#
HTML Hex HTML Hex HTML Hex HTML Hex
Dec Picture Dec Picture Dec Picture Dec Picture
DIAMETER SIGN REVERSED NOT SIGN TOP HALF INTEGRAL TOTAL RUNOUT 0
⌀ ⌐ ⌠ ⌰
⌀ ⌐ ⌠ ⌰
ELECTRIC ARROW SQUARE LOZENGE BOTTOM HALF INTEGRAL DIMENSION ORIGIN 1
⌁ ⌑ ⌡ ⌱
⌁ ⌑ ⌡ ⌱
HOUSE ARC FROWN CONICAL TAPER 2
⌂ ⌒ ⌢ ⌲
⌂ ⌒ ⌢ ⌲
UP ARROWHEAD SEGMENT SMILE SLOPE 3
⌃ ⌓ ⌣ ⌳
⌃ ⌓ ⌣ ⌳
DOWN ARROWHEAD SECTOR UP ARROWHEAD BETWEEN TWO HORIZONTAL BARS COUNTERBORE 4
⌄ ⌔ ⌤ ⌴
⌄ ⌔ ⌤ ⌴
PROJECTIVE TELEPHONE RECORDER OPTION KEY COUNTERSINK 5
⌅ ⌕ ⌥ ⌵
⌅ ⌕ ⌥ ⌵
PERSPECTIVE POSITION INDICATOR ERASE TO THE RIGHT APL FUNCTIONAL SYMBOL I-BEAM 6
⌆ ⌖ ⌦ ⌶
⌆ ⌖ ⌦ ⌶
WAVY LINE VIEWDATA SQUARE[6] X IN A RECTANGLE BOX APL FUNCTIONAL SYMBOL SQUISH QUAD 7
⌇ ⌗ ⌧ ⌷
⌇ ⌗ ⌧ ⌷
LEFT CEILING PLACE OF INTEREST SIGN KEYBOARD APL FUNCTIONAL SYMBOL QUAD EQUAL 8
⌈ ⌘ ⌨ ⌸
⌈ ⌘ ⌨ ⌸
RIGHT CEILING TURNED NOT SIGN LEFT-POINTING ANGLE BRACKET APL FUNCTIONAL SYMBOL QUAD DIVIDE 9
⌉ ⌙ 〈 ⌹
⌉ ⌙ 〈 ⌹
LEFT FLOOR WATCH RIGHT-POINTING ANGLE BRACKET APL FUNCTIONAL SYMBOL QUAD DIAMOND A
⌊ ⌚ 〉 ⌺
⌊ ⌚ 〉 ⌺
RIGHT FLOOR HOURGLASS ERASE TO THE LEFT APL FUNCTIONAL SYMBOL QUAD JOT B
⌋ ⌛ ⌫ ⌻
⌋ ⌛ ⌫ ⌻
BOTTOM RIGHT CROP TOP LEFT CORNER BENZENE RING APL FUNCTIONAL SYMBOL QUAD CIRCLE C
⌌ ⌜ ⌬ ⌼
⌌ ⌜ ⌬ ⌼
BOTTOM LEFT CROP TOP RIGHT CORNER CYLINDRICITY APL FUNCTIONAL SYMBOL CIRCLE STILE D
⌍ ⌝ ⌭ ⌽
⌍ ⌝ ⌭ ⌽
TOP RIGHT CROP BOTTOM LEFT CORNER ALL AROUND-PROFILE APL FUNCTIONAL SYMBOL CIRCLE JOT E
⌎ ⌞ ⌮ ⌾
⌎ ⌞ ⌮ ⌾
TOP LEFT CROP BOTTOM RIGHT CORNER SYMMETRY APL FUNCTIONAL SYMBOL SLASH BAR F
⌏ ⌟ ⌯ ⌿
⌏ ⌟ ⌯ ⌿
2300 2310 2320 2330
1.^ Unicode code points U+2329 & U+232A are deprecated.

(2340–237F)

[edit]
2340 2350 2360 2370
Symbol Name Symbol Name Symbol Name Symbol Name Last Hex#
HTML Hex HTML Hex HTML Hex HTML Hex
Dec Picture Dec Picture Dec Picture Dec Picture
APL FUNCTIONAL SYMBOL BACKSLASH BAR APL FUNCTIONAL SYMBOL QUAD UPWARDS ARROW APL FUNCTIONAL SYMBOL QUAD COLON APL FUNCTIONAL SYMBOL QUAD QUESTION 0
⍀ ⍐ ⍠ ⍰
⍀ ⍐ ⍠ ⍰
APL FUNCTIONAL SYMBOL QUAD SLASH APL FUNCTIONAL SYMBOL UP TACK OVERBAR APL FUNCTIONAL SYMBOL UP TACK DIAERESIS APL FUNCTIONAL SYMBOL DOWN CARET TILDE 1
⍁ ⍑ ⍡ ⍱
⍁ ⍑ ⍡ ⍱
APL FUNCTIONAL SYMBOL QUAD BACKSLASH APL FUNCTIONAL SYMBOL DEL STILE APL FUNCTIONAL SYMBOL DEL DIAERESIS APL FUNCTIONAL SYMBOL UP CARET TILDE 2
⍂ ⍒ ⍢ ⍲
⍂ ⍒ ⍢ ⍲
APL FUNCTIONAL SYMBOL QUAD LESS-THAN APL FUNCTIONAL SYMBOL QUAD UP CARET APL FUNCTIONAL SYMBOL STAR DIAERESIS APL FUNCTIONAL SYMBOL IOTA 3
⍃ ⍓ ⍣ ⍳
⍃ ⍓ ⍣ ⍳
APL FUNCTIONAL SYMBOL QUAD GREATER-THAN APL FUNCTIONAL SYMBOL QUAD DEL APL FUNCTIONAL SYMBOL JOT DIAERESIS APL FUNCTIONAL SYMBOL RHO 4
⍄ ⍔ ⍤ ⍴
⍄ ⍔ ⍤ ⍴
APL FUNCTIONAL SYMBOL LEFTWARDS VANE APL FUNCTIONAL SYMBOL UP TACK JOT APL FUNCTIONAL SYMBOL CIRCLE DIAERESIS APL FUNCTIONAL SYMBOL OMEGA 5
⍅ ⍕ ⍥ ⍵
⍅ ⍕ ⍥ ⍵
APL FUNCTIONAL SYMBOL RIGHTWARDS VANE APL FUNCTIONAL SYMBOL DOWNWARDS VANE APL FUNCTIONAL SYMBOL DOWN SHOE STILE APL FUNCTIONAL SYMBOL ALPHA UNDERBAR 6
⍆ ⍖ ⍦ ⍶
⍆ ⍖ ⍦ ⍶
APL FUNCTIONAL SYMBOL QUAD LEFTWARDS ARROW APL FUNCTIONAL SYMBOL QUAD DOWNWARDS ARROW APL FUNCTIONAL SYMBOL LEFT SHOE STILE APL FUNCTIONAL SYMBOL EPSILON UNDERBAR 7
⍇ ⍗ ⍧ ⍷
⍇ ⍗ ⍧ ⍷
APL FUNCTIONAL SYMBOL QUAD RIGHTWARDS ARROW APL FUNCTIONAL SYMBOL QUOTE UNDERBAR APL FUNCTIONAL SYMBOL TILDE DIAERESIS APL FUNCTIONAL SYMBOL IOTA UNDERBAR 8
⍈ ⍘ ⍨ ⍸
⍈ ⍘ ⍨ ⍸
APL FUNCTIONAL SYMBOL CIRCLE BACKSLASH APL FUNCTIONAL SYMBOL DELTA UNDERBAR APL FUNCTIONAL SYMBOL GREATER-THAN DIAERESIS APL FUNCTIONAL SYMBOL OMEGA UNDERBAR 9
⍉ ⍙ ⍩ ⍹
⍉ ⍙ ⍩ ⍹
APL FUNCTIONAL SYMBOL DOWN TACK UNDERBAR APL FUNCTIONAL SYMBOL DIAMOND UNDERBAR APL FUNCTIONAL SYMBOL COMMA BAR APL FUNCTIONAL SYMBOL ALPHA A
⍊ ⍚ ⍪ ⍺
⍊ ⍚ ⍪ ⍺
APL FUNCTIONAL SYMBOL DELTA STILE APL FUNCTIONAL SYMBOL JOT UNDERBAR APL FUNCTIONAL SYMBOL DEL TILDE NOT CHECK MARK B
⍋ ⍛ ⍫ ⍻
⍋ ⍛ ⍫ ⍻
APL FUNCTIONAL SYMBOL QUAD DOWN CARET APL FUNCTIONAL SYMBOL CIRCLE UNDERBAR APL FUNCTIONAL SYMBOL ZILDE RIGHT ANGLE WITH DOWNWARDS ZIGZAG ARROW. It is unknown what this sign is meant to be used for.[7][8] C
⍌ ⍜ ⍬ ⍼
⍌ ⍜ ⍬ ⍼
APL FUNCTIONAL SYMBOL QUAD DELTA APL FUNCTIONAL SYMBOL UP SHOE JOT APL FUNCTIONAL SYMBOL STILE TILDE SHOULDERED OPEN BOX D
⍍ ⍝ ⍭ ⍽
⍍ ⍝ ⍭ ⍽
APL FUNCTIONAL SYMBOL DOWN TACK JOT APL FUNCTIONAL SYMBOL QUOTE QUAD APL FUNCTIONAL SYMBOL SEMICOLON UNDERBAR BELL SYMBOL E
⍎ ⍞ ⍮ ⍾
⍎ ⍞ ⍮ ⍾
APL FUNCTIONAL SYMBOL UPWARDS VANE APL FUNCTIONAL SYMBOL CIRCLE STAR APL FUNCTIONAL SYMBOL QUAD NOT EQUAL VERTICAL LINE WITH MIDDLE DOT F
⍏ ⍟ ⍯ ⍿
⍏ ⍟ ⍯ ⍿
2340 2350 2360 2370

(2380–23BF)

[edit]
2380 2390 23A0 23B0
Symbol Name Symbol Name Symbol Name Symbol Name Last Hex#
HTML Hex HTML Hex HTML Hex HTML Hex
Dec Picture Dec Picture Dec Picture Dec Picture
INSERTION SYMBOL OPEN-CIRCUIT-OUTPUT L-TYPE SYMBOL RIGHT PARENTHESIS LOWER HOOK UPPER LEFT OR LOWER RIGHT CURLY BRACKET SECTION 0
⎀ ⎐ ⎠ ⎰
⎀ ⎐ ⎠ ⎰
CONTINUOUS UNDERLINE SYMBOL PASSIVE-PULL-DOWN-OUTPUT SYMBOL LEFT SQUARE BRACKET UPPER CORNER UPPER RIGHT OR LOWER LEFT CURLY BRACKET SECTION 1
⎁ ⎑ ⎡ ⎱
⎁ ⎑ ⎡ ⎱
DISCONTINUOUS UNDERLINE SYMBOL PASSIVE-PULL-UP-OUTPUT SYMBOL LEFT SQUARE BRACKET EXTENSION SUMMATION TOP 2
⎂ ⎒ ⎢ ⎲
⎂ ⎒ ⎢ ⎲
EMPHASIS SYMBOL DIRECT CURRENT SYMBOL FORM TWO LEFT SQUARE BRACKET LOWER CORNER SUMMATION BOTTOM 3
⎃ ⎓ ⎣ ⎳
⎃ ⎓ ⎣ ⎳
COMPOSITION SYMBOL SOFTWARE-FUNCTION SYMBOL RIGHT SQUARE BRACKET UPPER CORNER TOP SQUARE BRACKET 4
⎄ ⎔ ⎤ ⎴
⎄ ⎔ ⎤ ⎴
WHITE SQUARE WITH CENTRE VERTICAL LINE APL FUNCTIONAL SYMBOL QUAD RIGHT SQUARE BRACKET EXTENSION BOTTOM SQUARE BRACKET 5
⎅ ⎕ ⎥ ⎵
⎅ ⎕ ⎥ ⎵
ENTER SYMBOL DECIMAL SEPARATOR KEY SYMBOL RIGHT SQUARE BRACKET LOWER CORNER BOTTOM SQUARE BRACKET OVER TOP SQUARE BRACKET 6
⎆ ⎖ ⎦ ⎶
⎆ ⎖ ⎦ ⎶
ALTERNATIVE KEY SYMBOL PREVIOUS PAGE LEFT CURLY BRACKET UPPER HOOK RADICAL SYMBOL BOTTOM 7
⎇ ⎗ ⎧ ⎷
⎇ ⎗ ⎧ ⎷
HELM SYMBOL NEXT PAGE LEFT CURLY BRACKET MIDDLE PIECE LEFT VERTICAL BOX LINE 8
⎈ ⎘ ⎨ ⎸
⎈ ⎘ ⎨ ⎸
CIRCLED HORIZONTAL BAR WITH NOTCH PRINT SCREEN SYMBOL LEFT CURLY BRACKET LOWER HOOK RIGHT VERTICAL BOX LINE 9
⎉ ⎙ ⎩ ⎹
⎉ ⎙ ⎩ ⎹
CIRCLED TRIANGLE DOWN CLEAR SCREEN SYMBOL CURLY BRACKET EXTENSION HORIZONTAL SCAN LINE-1 A
⎊ ⎚ ⎪ ⎺
⎊ ⎚ ⎪ ⎺
BROKEN CIRCLE WITH NORTHWEST ARROW LEFT PARENTHESIS UPPER HOOK RIGHT CURLY BRACKET UPPER HOOK HORIZONTAL SCAN LINE-3 B
⎋ ⎛ ⎫ ⎻
⎋ ⎛ ⎫ ⎻
UNDO SYMBOL LEFT PARENTHESIS EXTENSION RIGHT CURLY BRACKET MIDDLE PIECE HORIZONTAL SCAN LINE-7 C
⎌ ⎜ ⎬ ⎼
⎌ ⎜ ⎬ ⎼
MONOSTABLE SYMBOL LEFT PARENTHESIS LOWER HOOK RIGHT CURLY BRACKET LOWER HOOK HORIZONTAL SCAN LINE-9 D
⎍ ⎝ ⎭ ⎽
⎍ ⎝ ⎭ ⎽
HYSTERESIS SYMBOL RIGHT PARENTHESIS UPPER HOOK INTEGRAL EXTENSION DENTISTRY SYMBOL LIGHT VERTICAL AND TOP RIGHT E
⎎ ⎞ ⎮ ⎾
⎎ ⎞ ⎮ ⎾
OPEN-CIRCUIT-OUTPUT H-TYPE SYMBOL RIGHT PARENTHESIS EXTENSION HORIZONTAL LINE EXTENSION DENTISTRY SYMBOL LIGHT VERTICAL AND BOTTOM RIGHT F
⎏ ⎟ ⎯ ⎿
⎏ ⎟ ⎯ ⎿
2380 2390 23A0 23B0

(23C0–23FF)

[edit]
23C0 23D0 23E0 23F0
Symbol Name Symbol Name Symbol Name Symbol Name Last Hex#
HTML Hex HTML Hex HTML Hex HTML Hex
Dec Picture Dec Picture Dec Picture Dec Picture
DENTISTRY SYMBOL LIGHT VERTICAL WITH CIRCLE VERTICAL LINE EXTENSION TOP TORTOISE SHELL BRACKET ALARM CLOCK 0
⏀ ⏐ ⏠ ⏰
⏀ ⏐ ⏠ ⏰
DENTISTRY SYMBOL LIGHT DOWN AND HORIZONTAL WITH CIRCLE METRICAL BREVE BOTTOM TORTOISE SHELL BRACKET STOPWATCH 1
⏁ ⏑ ⏡ ⏱
⏁ ⏑ ⏡ ⏱
DENTISTRY SYMBOL LIGHT UP AND HORIZONTAL WITH CIRCLE METRICAL LONG OVER SHORT WHITE TRAPEZIUM TIMER CLOCK 2
⏂ ⏒ ⏢ ⏲
⏂ ⏒ ⏢ ⏲
DENTISTRY SYMBOL LIGHT VERTICAL WITH TRIANGLE METRICAL SHORT OVER LONG BENZENE RING WITH CIRCLE HOURGLASS WITH FLOWING SAND 3
⏃ ⏓ ⏣ ⏳
⏃ ⏓ ⏣ ⏳
DENTISTRY SYMBOL LIGHT DOWN AND HORIZONTAL WITH TRIANGLE METRICAL LONG OVER TWO SHORTS STRAIGHTNESS BLACK MEDIUM LEFT-POINTING TRIANGLE 4
⏄ ⏔ ⏤ ⏴
⏄ ⏔ ⏤ ⏴
DENTISTRY SYMBOL LIGHT UP AND HORIZONTAL WITH TRIANGLE METRICAL TWO SHORTS OVER LONG FLATNESS BLACK MEDIUM RIGHT-POINTING TRIANGLE 5
⏅ ⏕ ⏥ ⏵
⏅ ⏕ ⏥ ⏵
DENTISTRY SYMBOL LIGHT VERTICAL AND WAVE METRICAL TWO SHORTS JOINED AC CURRENT BLACK MEDIUM UP-POINTING TRIANGLE 6
⏆ ⏖ ⏦ ⏶
⏆ ⏖ ⏦ ⏶
DENTISTRY SYMBOL LIGHT DOWN AND HORIZONTAL WITH WAVE METRICAL TRISEME ELECTRICAL INTERSECTION BLACK MEDIUM DOWN-POINTING TRIANGLE 7
⏇ ⏗ ⏧ ⏷
⏇ ⏗ ⏧ ⏷
DENTISTRY SYMBOL LIGHT UP AND HORIZONTAL WITH WAVE METRICAL TETRASEME DECIMAL EXPONENT SYMBOL DOUBLE VERTICAL BAR 8
⏈ ⏘ ⏨ ⏸
⏈ ⏘ ⏨ 10 ⏸
DENTISTRY SYMBOL LIGHT DOWN AND HORIZONTAL METRICAL PENTASEME BLACK RIGHT-POINTING DOUBLE TRIANGLE BLACK SQUARE FOR STOP 9
⏉ ⏙ ⏩ ⏹
⏉ ⏙ ⏩ ⏹
DENTISTRY SYMBOL LIGHT UP AND HORIZONTAL EARTH GROUND BLACK LEFT-POINTING DOUBLE TRIANGLE BLACK CIRCLE FOR RECORD A
⏊ ⏚ ⏪ ⏺
⏊ ⏚ ⏪ ⏺
DENTISTRY SYMBOL LIGHT VERTICAL AND TOP LEFT FUSE BLACK UP-POINTING DOUBLE TRIANGLE POWER SYMBOL B
⏋ ⏛ ⏫ ⏻
⏋ ⏛ ⏫ ⏻
DENTISTRY SYMBOL LIGHT VERTICAL AND BOTTOM LEFT TOP PARENTHESIS BLACK DOWN-POINTING DOUBLE TRIANGLE POWER ON-OFF SYMBOL C
⏌ ⏜ ⏬ ⏼
⏌ ⏜ ⏬ ⏼
SQUARE FOOT BOTTOM PARENTHESIS BLACK RIGHT-POINTING DOUBLE TRIANGLE WITH VERTICAL BAR POWER ON SYMBOL D
⏍ ⏝ ⏭ ⏽
⏍ ⏝ ⏭ ⏽
RETURN SYMBOL TOP CURLY BRACKET BLACK LEFT-POINTING DOUBLE TRIANGLE WITH VERTICAL BAR POWER SLEEP SYMBOL E
⏎ ⏞ ⏮ ⏾
⏎ ⏞ ⏮ ⏾
EJECT SYMBOL BOTTOM CURLY BRACKET BLACK RIGHT-POINTING TRIANGLE WITH DOUBLE VERTICAL BAR OBSERVER EYE SYMBOL F
⏏ ⏟ ⏯ ⏿
⏏ ⏟ ⏯ ⏿
23C0 23D0 23E0 23F0

Block

[edit]
Miscellaneous Technical[1][2]
Official Unicode Consortium code chart (PDF)
  0 1 2 3 4 5 6 7 8 9 A B C D E F
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 16.0
2.^ Unicode code points U+2329 and U+232A are deprecated as of Unicode version 5.2

Emoji

[edit]

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+ 231A 231B 2328 23CF 23E9 23EA 23EB 23EC 23ED
default presentation emoji emoji text text emoji emoji emoji emoji text
base code point
base+VS15 (text) ⌚︎ ⌛︎ ⌨︎ ⏏︎ ⏩︎ ⏪︎ ⏫︎ ⏬︎ ⏭︎
base+VS16 (emoji) ⌚️ ⌛️ ⌨️ ⏏️ ⏩️ ⏪️ ⏫️ ⏬️ ⏭️
U+ 23EE 23EF 23F0 23F1 23F2 23F3 23F8 23F9 23FA
default presentation text text emoji text text emoji text text text
base code point
base+VS15 (text) ⏮︎ ⏯︎ ⏰︎ ⏱︎ ⏲︎ ⏳︎ ⏸︎ ⏹︎ ⏺︎
base+VS16 (emoji) ⏮️ ⏯️ ⏰️ ⏱️ ⏲️ ⏳️ ⏸️ ⏹️ ⏺️

History

[edit]

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

See also

[edit]

References

[edit]
  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.
  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.
  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.