Miscellaneous Technical

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]
This article contains special characters. Without proper rendering support, you may see question marks, boxes, or other symbols.

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.

  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.