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In logic, a set of symbols is commonly used to express logical representation. The following table lists many common symbols, together with their name, how they should be read out loud, and the related field of mathematics.
symbol code point name ⍻ u+237b: not check mark ☐ u+2610: ballot box ☑: u+2611: ballot box with check : u+2705: white heavy check mark u+2713: check mark : u+2714: heavy check mark 𐄂 u+10102: aegean check mark 𝤿 u+1d93f: signwriting movement-wallplane check small 𝥀 u+1d940: signwriting movement-wallplane check medium 𝥁 u+1d941
As of Unicode version 16.0, there are 155,063 characters with code points, covering 168 modern and historical scripts, as well as multiple symbol sets. This article includes the 1,062 characters in the Multilingual European Character Set 2 subset, and some additional related characters.
A mathematical symbol is a figure or a combination of figures that is used to represent a mathematical object, an action on mathematical objects, a relation between mathematical objects, or for structuring the other symbols that occur in a formula. As formulas are entirely constituted with symbols of various types, many symbols are needed for ...
In Unicode 6.1, the character approximating this symbol best is U+21E7 upwards white arrow (⇧). [3] This symbol is commonly used to denote the Shift key on modern keyboards (especially on non-US layouts and on the Apple Keyboard), sometimes in combination with the word "Shift" or its translation in the local language. This symbol also is used ...
AltGr+` produces ¦ (broken bar, shown as a secondary symbol) € is produced by AltGr+4 and is shown as a secondary symbol @ and " are swapped (to ⇧ Shift+' and ⇧ Shift+2, respectively) The \ key is moved to the left of the Z key (⇧ Shift+\ still produces |) The Enter key spans two rows, and is narrower to accommodate the #/~ key
Circled plus (⊕) or n-ary circled plus (⨁) (in Unicode, U+2295 ⊕ CIRCLED PLUS, U+2A01 ⨁ N-ARY CIRCLED PLUS OPERATOR) may refer to: . Sun cross, a circle containing four or more spokes with many variants and uses
In mathematical formulas, the ± symbol may be used to indicate a symbol that may be replaced by either of the plus and minus signs, + or −, allowing the formula to represent two values or two equations. [2] If x 2 = 9, one may give the solution as x = ±3. This indicates that the equation has two solutions: x = +3 and x = −3.