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Per MOS:RADICAL, <math>...</math> markup is generally preferred to render expressions using the radical symbol √, but it does not work with the Media Viewer extension, which is used to view images full-screen on mobile devices. So this template should only be used in image captions until T263572 is fixed.
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Radical symbol, a symbol for the square root or higher-order root of a number. Radical symbol may also refer to: Chinese character radicals, a visually prominent component of a Chinese character; List of ideological symbols includes symbols used by political radicals
The symbol was first seen in print without the vinculum (the horizontal "bar" over the numbers inside the radical symbol) in the year 1525 in Die Coss by Christoff Rudolff, a German mathematician. In 1637 Descartes was the first to unite the German radical sign √ with the vinculum to create the radical symbol in common use today. [3]
The following table lists many specialized symbols commonly used in modern mathematics, ordered by their introduction date. The table can also be ordered alphabetically by clicking on the relevant header title.
Print/export Download as PDF; Printable version; In other projects Appearance. move to sidebar hide ... Radical symbol This page was last edited on 11 ...
Non-printing characters or formatting marks are characters for content designing in word processors, which are not displayed at printing. It is also possible to customize their display on the monitor. The most common non-printable characters in word processors are pilcrow, space, non-breaking space, tab character etc. [1] [2]
The radical symbol √ can be used when written on its own, but when part of a larger expression, can be problematic. {{ radic }} (often seen as {{ sqrt }} ) is the best way to write such expressions in HTML, but the result is unattractive due to the hole between the overline and the radical symbol in many web browsers: