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Because the ® symbol is not commonly available on typewriters (or ASCII), it was common to approximate it with the characters (R) (or (r)). [ a ] [ b ] An example of a legal equivalent is the phrase Registered, U.S. Patent and Trademark Office , which may be abbreviated to Reg U.S. Pat & TM Off.
Use of the trademark symbol indicates an assertion that a word, image, or other sign is a trademark; it does not indicate registration or impart enhanced protections. Registered trademarks are indicated using the registered trademark symbol , ® , and in many jurisdictions it is unlawful or illegal to use the registered trademark symbol with a ...
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.
Hazard symbols; 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
Insular R Variant of r; [9] [3] Used in Ormulum [17] Ʀ ʀ 𐞪 Yr (small capital R) IPA /ʀ/ Old Norse, Alutiiq; Superscript form is an IPA superscript letter [7] Ꝛ ꝛ R rotunda Variant of r [9] ᴙ: Small capital reversed R Nonstandard IPA /ʢ/ cf. Cyrillic: Я я: FUT [2] ꭆ Small capital R with right leg Teuthonista [4] ɹ ʴ: Turned R ...
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.
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Figure 1. Special-character links above edit window: Symbol group. Groups for the special-character links below the edit window are displayed one at a time; the default group is Insert, which includes punctuation and some other common symbols (see Figure 2 below), but another group may be shown if you have previously selected it. Click the down ...