![]() The dictionary definition of caret doesn't make any nod to this usage, and instead only offers:Ī wedge-shaped mark made on written or printed matter to indicate the place where something is to be insertedĪnd while Wikipedia describes the usage as a control character it states nothing about the history of this usage so far as I can find. This symbol is known as e-constant or Eulerâs constant. Also, e-symbol in Maths which holds the value e 2.718281828. In Mathematics, pi symbol is also referred to as Archimedes constant. Some things have used alternate notation for example, Emacs stands out for using C- instead, and many user manuals simply write control- or ctrl-, much as how alt- is still commonplace (a notable exception being Apple's modern use of ⥠for Option, and similarly â for Command, which of course used to be represented with the Apple logo instead, with both open and filled variants on the earliest Apple computers). The pi symbol is a mathematical constant which is defined as the ratio of circumference of a circle to its diameter. POSIX.1-2017 does not require or prohibit this behavior. Editors in the publishing field use the caret symbol to indicate that there is a section on the page where something is missing. And it's metaphorical of how our products help us, the wearer, make a bigger impact on the world. Exponentiation is a mathematical operation that raises the quantity to a power. The POSIX standard says the following about this in relation to the ed editor: Historically, ed accepted the character as an address, in which case it was identical to the character. Carets are used in mathematics for exponentiation 'to the power of.' It's a nice concept for people like us who are always looking to improve ourselves. The caret () symbol usually stands for exponentiation in Microsoft Excel.![]() Why was this character used to indicate this? Was it simply that the symbol wasn't being used for anything else at the time, or is there an etymological history where that makes sense? Using - or -1 in place of also works in ed, ex and in vi on non-GNU systems. Optionally, you can select Allow placement of caret after end of line on the Editor General page of the IDE settings Ctrl+Alt+S to be able to set your caret. From my understanding, the caret character ( ^) has been used to indicate Ctrl-key combinations since the early UNIX days, if not earlier.
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