What is the meaning of this symbol _?

An underscore, also called an underline, low line or low dash, is a line drawn under a segment of text. The underscore character, _, originally appeared on the typewriter and was primarily used to emphasise words as in the proofreader’s convention.

How do you underline in LaTeX?

To underline text use the nderline command: Some of the greatest discoveries in nderline{science} were made by accident.

How do you do a long underscore in LaTeX?

Use #em instead of #cm in order to make the length of the underscore depend on the font’s width.

How do you escape underscore in LaTeX?

Your URL might be containing some underscore characters _ , which are special characters in LaTeX — they’re the subscript operator when in math mode, e.g. $x_i$ will produce xi. Usually if you want to use a literal underscore character in normal text, you’ll have to write escape it as \_ .

What does an underscore mean in math?

A horizontal line placed under a symbol to indicate some special property.

How do you underscore text?

To create the underscore using a U.S. keyboard, hold down the Shift key and press the – (hyphen) key.

How do you draw a line in LaTeX?

\rule Command in LaTeX When you want to create a horizontal line in LaTeX of any length and thickness, the \rule command is the easiest one to use. Simply type \rule{length}{thickness} with your chosen line length and thickness in the place of the two placeholder words in the example.

Is underscore a symbol?

Alternatively referred to as a low line, low dash, and understrike, the underscore ( _ ) is a symbol found on the same keyboard key as the hyphen. The picture shows an example of an underscore at the beginning and end of the word “Underscore.”

How do you write a long underscore?

Rules for using the underscore sign To create a long line with the underscore key, hold SHIFT and press the underscore key repeatedly until your line is the correct length.