Technical Symbol
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Miscellaneous Technical is a Unicode block ranging from U+2300 to U+23FF, which contains various common
symbol A symbol is a mark, sign, or word that indicates, signifies, or is understood as representing an idea, object, or relationship. Symbols allow people to go beyond what is known or seen by creating linkages between otherwise very different conc ...
s 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 A house is a single-unit residential building. It may range in complexity from a rudimentary hut to a complex structure of wood, masonry, concrete or other material, outfitted with plumbing, electrical, and heating, ventilation, and air condi ...
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 In electrical engineering, ground or earth is a reference point in an electrical circuit from which voltages are measured, a common return path for electric current, or a direct physical connection to the Earth. Electrical circuits may be con ...
" 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 In mathematics and computing, the hexadecimal (also base-16 or simply hex) numeral system is a positional numeral system that represents numbers using a radix (base) of 16. Unlike the decimal system representing numbers using 10 symbols, hexa ...
range 0x2300–0x23FF, (decimal 8960–9215), as described below.


(2300–233F)

:1.Unicode code points U+2329 & U+232A are deprecated.


(2340–237F)


(2380–23BF)


(23C0–23FF)


Block


Emoji

The Miscellaneous Technical block contains eighteen
emoji An emoji ( ; plural emoji or emojis) is a pictogram, logogram, ideogram or smiley embedded in text and used in electronic messages and web pages. The primary function of emoji is to fill in emotional cues otherwise missing from typed conversat ...
: U+231A–U+231B, U+2328, U+23CF, U+23E9–U+23F3 and U+23F8–U+23FA. Fifteen 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 30 variants. These fifteen base characters are: U+231A–U+231B, U+2328, U+23CF, U+23E9–U+23EA, U+23ED–U+23EF, U+23F1–U+23F3 and U+23F8–U+23FA.


History

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


See also

* Unicode mathematical operators and symbols * Unicode symbols * Media control symbols


References

{{Mathematical symbols notation language Symbols Unicode blocks