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In computational complexity principle, #P denotes a complexity course of counting challenges. The standard notation for this class uses the range indication symbol, not the sharp indication from new music, but it is pronounced "sharp P".
(pound by body weight). The composing of the unit of excess weight was often crossed having a horizontal line and appeared like our fashionable range sign.
From The fundamental act of counting towards the intricate realms of theoretical arithmetic, figures function a common language, shaping our comprehension of the world and driving progress in a variety of fields of knowledge.
When Employed in technology, it is usually called hash, and when previous a phrase or phrase on social networking web pages is called a hash tag.
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Other Numeric Symbols: Different cultures have exceptional symbols for quantities within their respective programs, contributing to your diversity of numerical representation.
, a ligature that connects the letters by using a bar over the top. Brief handwritten use of this symbol presumably morphed into the fashionable indication #.
"Hex" is usually used in Singapore and Malaysia, as spoken by quite a few recorded telephone Listing-aid menus: "Remember to enter your phone number accompanied by the 'hex' crucial".
One of many employs in personal computers was to label the subsequent textual content as possessing another interpretation (like a command or possibly a remark) from the rest of the textual content. It absolutely was adopted for use in World wide web relay chat (IRC) networks circa 1988 to label teams and subjects.
at the start of an executable file is actually a "shebang", "hash-bang" or "pound-bang", used to convey to the running technique which application to utilize to run the script (see magic selection). This combination was chosen so It could be a remark inside the scripting languages.
Hashtag is derived from your British identify for that hash vital and is particularly now used as a metadata tag or label in blogging and social media filtering of knowledge.
Danielle McLeod is actually a remarkably capable secondary English Language Arts Instructor who provides a diverse academic background to her classroom. With degrees in science, English, and literacy, she has labored to build cross-curricular elements to bridge Finding out gaps and aid learners deal with productive creating and speech procedures.
In J, # is the Tally or Depend perform,[53] and likewise in Lua, # may be used as a shortcut to get the size of a desk, or #F1Visa obtain the length of a string. Mainly because of the simplicity of producing "#" in excess of lengthier function names, this follow is now typical from the Lua Neighborhood.