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Upward arrows are often used to indicate an increase in a numerical value, and downward arrows indicate a decrease. In mathematical logic, a right-facing arrow indicates material conditional, and a left-right (bidirectional) arrow indicates if and only if, an upwards arrow indicates the NAND operator (negation of conjunction), an downwards arrow indicates the NOR operator (negation of ...
As of 2023, [2] the symbols in the table below will be read in the default configuration of all three major screen readers (JAWS, Apple's VoiceOver, and NVDA). Depending on user-configured verbosity settings, a reader may hear additional characters read aloud or fewer typographic or punctuation characters read aloud.
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.
For other symbols, such as the arrow, star, and heart, there isn’t a direct keyboard shortcut symbol. However, you can use a handy shortcut to get to the emoji library you’re used to seeing on ...
In SGML, HTML and XML documents, the logical constructs known as character data and attribute values consist of sequences of characters, in which each character can manifest directly (representing itself), or can be represented by a series of characters called a character reference, of which there are two types: a numeric character reference and a character entity reference.
The arrow symbol ↓ may refer to: The downward direction, a relative direction; The keyboard cursor control key, an arrow key; A downwards arrow, a Unicode arrow symbol; Logical NOR, operator which produces a result that is the negation of logical OR; An undefined object, in mathematical well-definition; A mathematical symbol for "approaching ...
The Arrows block contains eight emoji: U+2194–U+2199 and U+21A9–U+21AA. [3] [4]The block has sixteen standardized variants defined to specify emoji-style (U+FE0F VS16) or text presentation (U+FE0E VS15) for the eight emoji, all of which default to a text presentation.
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