# What does U mean in math?

union of sets

## What is your bum called?

The anus is the opening where the gastrointestinal tract ends and exits the body. The anus starts at the bottom of the rectum, the last portion of the colon (large intestine). The anorectal line separates the anus from the rectum. Tough tissue called fascia surrounds the anus and attaches it to nearby structures.

What is called in keyboard?

A computer keyboard is an input device that allows a person to enter letters, numbers, and other symbols (these are called characters in a keyboard) into a computer. Using a keyboard to enter lots of data is called typing. A keyboard contains many mechanical switches or push-buttons called “keys”.

### What does brackets mean in writing?

The brackets, always used in pairs, enclose words intended to clarify meaning, provide a brief explanation, or to help integrate the quote into the writer’s sentence. When writers insert or alter words in a direct quotation, square brackets—[ ]—are placed around the change.

### What is the upside down V symbol?

The upside down V (∧) means AND. The circle with the plus inside (⊕) means XOR or eXclusive OR.

How do you write square brackets?

To type the brackets, pinky finger is used at difficult positions. Some involves holding Shift key. To type parenthesis ( ) you use ring finger and pinky, stretching a distance of 2 rows above. To type square brackets [ ] you use pinky, stretching a distance of 1 row above and 1 column to right.

## What are these brackets called?

Specific forms of the mark include rounded brackets (also called parentheses), square brackets, curly brackets (also called braces), and angle brackets (also called chevrons), as well as various less common pairs of symbols.

## What does ≡ mean in math?

≡ means identical to. This is similar to, but not exactly the same as, equals. ≈ 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 is an upside down Caret called?

An upside-down circumflex is called a caron, or a háček. It has an HTML entity in the TADS Latin-2 extension to HTML: &caron and looks like this: ˇ which unfortunately doesn’t display in the same size/proportion as the ^ caret. Or you can use the unicode U+30C .

### What does and in math mean?

The multiplication principle stated in the previous lesson relies on actions being independent, that the outcome of one action can in no way affect the outcome of the other action. I often hear the aphorism “And means multiply” bandied about in a care-free manner.

### What does or in math mean?

one or the other or both

How do you use brackets in EG?

When the “e.g.” passage falls at the end of the sentence, you can either enclose it in parentheses or set it off with a comma before “e.g.” But as before, if “e.g.” introduces an independent clause, use a semicolon because it’s likely you’ve formed another compound sentence.

## How do you formally say butt?

Buttocks is the preferred term in formal writing: politer and more formal than butt (AmE) and bum (BrE), which are colloquial, and arse (BrE) or ass (AmE), which are vulgar.

## What are square brackets used for in writing?

Use square brackets to include words within a quote that are not part of the original quote. For example, if a quoted passage is not entirely clear, words enclosed in square brackets can be added to clarify the meaning.

What is the caret symbol called?

circumflex symbol

### Why is butt called butt?

Etymology. The surname Butt or Butts is said to be derived from the French word “but” which is a noun meaning “target”. The English name is derived from the Middle English word “but”, a noun meaning a mark for archery, a target or goal, or someone’s rear end.

### What do the square brackets mean?

Square Brackets to Make the Text Clearer Square brackets can be used in a quotation to add information that explains the text it follows. (The square brackets show that the information has been added by someone other than the original author.)

What is the difference between () and in math?

if using this in sets, () stands for open interval and [] means closed interval and {} is used to denote specific elements. Closed interval means the extreme numbers of the set are included in it and open means they arent. For example, (9,10] is the set of all numbers between 9 and 10 excluding 9 and including 10.