# What does three lines under a word mean?

## What does three lines under a word mean?

Three lines under a lowercase letter mean to make it a capital. One line under a word means to set in italics. A series of strikethroughs means to remove underlining. A wavy line means to set in boldface. This mark means to close up space.

## What does ≡ mean in math?

In computer applications (like Excel) the symbols <> mean not equal. ≡ means identical to. ≈ means approximately equal to, or almost equal to. The two sides of a relationship indicated by this symbol will not be accurate enough to manipulate mathematically.

What does a line under a letter mean?

An underscore, also called an underline, low line, or low dash, is a line drawn under a segment of text. To produce an underscored word, the word was typed, the typewriter carriage was moved back to the beginning of the word, and the word was overtyped with the underscore character.

### How do you put a line under a letter?

Hold the “Ctrl” key and press “U” to put a line under the letter.

### How do I type an underscore?

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.

What does AO with a line under it mean?

slashed zero

## What does θ mean?

Theta ( ) is a symbol used to denote the unknown measure of an angle. It is used mostly in displaying the trigonometric ratios of sine, cosine, and tangent.

## What does this symbol mean Ø?

The letter “Ø” is sometimes used in mathematics as a replacement for the symbol “∅” (Unicode character U+2205), referring to the empty set as established by Bourbaki, and sometimes in linguistics as a replacement for same symbol used to represent a zero. Slashed zero is an alternate glyph for the zero character.

What does R mean in math?

real numbers

symbol Ø

### What does R mean on Photomath?

been working so hard that you

What does R mean for domain?

union symbol

## How do you define domain?

The domain of a function is the set of all possible inputs for the function. For example, the domain of f(x)=x² is all real numbers, and the domain of g(x)=1/x is all real numbers except for x=0.

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