How do I insert an underscore symbol in LaTeX?

How do I insert an underscore symbol in LaTeX?

The “proper” LaTeX command for underscore is \textunderscore , but the LaTeX 2.09 command \_ is an established alias. Even so, if you’re writing a document which will contain a large number of underscore characters, the prospect of typing \_ for every one of them will daunt most ordinary people.

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 \_ . in your document.

How do you underscore text?

Underscore on iOS and Android Devices For Android phones, bring up the keyboard and press the “? 123” key to go to the symbols page. Tap the “underscore” key to type the symbol. It is located on the first page of symbols, so you don’t have to do anything else.

How do you type an underscore under a letter?

3. Hold the “Ctrl” key and press “U” to put a line under the letter. Press the combination again to remove the line.

What is the correct use underscore?

The underscore sign is mainly used to show a space where a space is not allowed, such as in internet usernames, email addresses and some computer programs. The underscore looks like a dash below the letters ( _ ). The underscore sign is also called: understrike.

What does _ before name mean?

internal use
A single underscore before a name is used to specify that the name is to be treated as “private” by a programmer. It’s kind of* a convention so that the next person (or yourself) using your code knows that a name starting with _ is for internal use.

Why we use underscore in variable names?

The underscore in variable names is completely optional. Many programmers use it to differentiate private variables – so instance variables will typically have an underscore prepended to the name. This prevents confusion with local variables.