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The third gives symbols listed elsewhere in the table that are similar to it in meaning or appearance, or that may be confused with it; The fourth (if present) links to the related article(s) or adds a clarification note.
List of mathematical constants (typically letters and compound symbols) Glossary of mathematical symbols; List of physical constants (typically letters and compound symbols) List of common physics notations (typically letters used as variable names in equations) Rod of Asclepius / Caduceus as a symbol of medicine
A numeric character reference refers to a character by its Universal Character Set/Unicode code point, and a character entity reference refers to a character by a predefined name. A numeric character reference uses the format &#nnnn; or &#xhhhh; where nnnn is the code point in decimal form, and hhhh is the code point in hexadecimal form.
The following is the chart of the International Phonetic Alphabet, a standardized system of phonetic symbols devised and maintained by the International Phonetic Association. It is not a complete list of all possible speech sounds in the world's languages, only those about which stand-alone articles exist in this encyclopedia.
Letter symbolism is the study of the alphabet as a symbol, exploring its ability to represent analogically, convey meaning, and carry values beyond its practical or material function. It involves examining letters as symbols ( symbology ) or systems ( symbolic ), as well as their capacity for designation, meaning, and potential influence ...
The tittle (dot) on the letter i or the letter j , of the Latin alphabet originated as a diacritic to clearly distinguish i from the minims (downstrokes) of adjacent letters. It first appeared in the 11th century in the sequence ii (as in ingeníí ), then spread to i adjacent to m, n, u , and finally to all lowercase i s.
The letters chosen for the IPA are meant to harmonize with the Latin alphabet. [note 7] For this reason, most letters are either Latin or Greek, or modifications thereof. Some letters are neither: for example, the letter denoting the glottal stop, ʔ , originally had the form of a question mark with the dot removed.
The space is considered to be both a graphic character and a control character in ISO 646. [1] It can be considered as a character with a visible form or, in contexts such as teleprinters, a control character that advances the print head without printing a character. The delete character is strictly a control character, not a graphic character.