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4. Mean value: If x is a variable that takes its values in some sequence of numbers S, then ¯ may denote the mean of the elements of S. 5. Negation: Sometimes used to denote negation of the entire expression under the bar, particularly when dealing with Boolean algebra.
In this table, The first cell in each row gives a symbol; The second is a link to the article that details that symbol, using its Unicode standard name or common alias. (Holding the mouse pointer on the hyperlink will pop up a summary of the symbol's function.);
Other manufacturers used Control-X for this purpose. 10 Control-X was commonly used to cancel a line of input typed in at the terminal. 11 Control-Z has commonly been used on minicomputers, Windows and DOS systems to indicate "end of file" either on a terminal or in a text file. Unix / Linux systems use Control-D to indicate end-of-file at a ...
Fo'c's'le may also take a possessive s – as in the fo'c's'le's timbers – giving four apostrophes in one word. [59] A word which formerly contained two apostrophes is sha'n't for shall not, examples of which may be found in the older works of P. G. Wodehouse and "Frank Richards" (Charles Hamilton), but this has been superseded by shan't.
Woloshun chimed in with a similar opinion on the social platform X, where apostrophes are being thrown around like hand grenades. “The rule is simple: If you say the S, spell the S,” he argued
The following table lists many common symbols, together with their name, how they should be read out loud, and the related field of mathematics. Additionally, the subsequent columns contains an informal explanation, a short example, the Unicode location, the name for use in HTML documents, [ 1 ] and the LaTeX symbol.
AEGEAN WORD SEPARATOR LINE U+10100: Po, other Common ā AEGEAN WORD SEPARATOR DOT U+10101: Po, other Common Ă AEGEAN CHECK MARK U+10102: Po, other Common 濢 OLD CHINESE HOOK MARK U+16FE2: Po, other Common ADLAM INITIAL EXCLAMATION MARK U+1E95E: Po, other Adlam ADLAM INITIAL QUESTION MARK U+1E95F: Po, other Adlam ՚ ARMENIAN APOSTROPHE U+055A ...
Usually, the meaning of x ′ is defined when it is first used, but sometimes, its meaning is assumed to be understood: A derivative or differentiated function: in Lagrange's notation, f ′ (x) and f ″(x) are the first and second derivatives of f (x) with respect to x. Likewise for f ‴(x) and f ⁗(x).