Block: Miscellaneous Technical

Range U+2300 - U+23FF
Official Chart http://www.unicode.org/charts/PDF/U2300.pdf
Wikipedia Miscellaneous Technical is the name of 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. Symbol ⌂ (HTML hexadecimal code is ⌂) represents a house or a home. Symbol ⌘ (⌘) represents the Command key on Mac keyboard.
https://en.wikipedia.org/wiki/Miscellaneous_Technical
Characters