A vinculum (Latin for, “fetter”, “chain”, or “tie”) is a horizontal line used in mathematical notation for a singular purpose. It may be placed as an overline (or underline) over (or under) a mathematical expression to indicate that the expression is to be considered grouped together.

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## What is the line symbol called?

**The vertical bar**, |, is a glyph with various uses in mathematics, computing, and typography. It has many names, often related to particular meanings: Sheffer stroke (in logic), pipe, vbar, stick, vertical line, bar, verti-bar, and several variants on these names.

## What is the horizontal line on the keyboard called?

On English PC and Mac keyboards, **the pipe** is on the same key as the backslash key. It is located above the Enter key (Return key) and below the Backspace key. Pressing and holding down the Shift while pressing the | creates a pipe.

## What is the pipe symbol used for?

The keyboard has a backslash character. The vertical bar character is used in Linux and other operating systems to represent a pipe. A **pipe is a way to send the output of a program to another program**.

## Does a tilde mean approximately?

This symbol (in US English) informally means “**approximately”**, “about”, or “around”, such as “~30 minutes before”, meaning “approximately 30 minutes before”. … The tilde is also used to indicate congruence of shapes by placing it over an = symbol, thus ≅.

## How do you type a horizontal line?

Many users already know that easiest way to insert a plain horizontal line into a page is to use **the keyboard shortcut of typing 3 dashes (—) then press ‘Enter’** – and voila! your line appears by magic!

## How is horizontal line?

A horizontal line is **one that goes from left to right across the page**. This is because horizontal lines are parallel to the horizon. … It comes from the word “horizon”, which refers to the visible line that separates the earth from the sky.

## What are () called in English?

two dots over the word, and what it is called when a word is “within” ? – I don’t really know what people call this. They are called **quotation marks**. And in the U.S, the () are called parenthesis, and the [] are called brackets.

## What does a line between two numbers mean?

**Absolute Value** Examples and Equations

The most common way to represent the absolute value of a number or expression is to surround it with the absolute value symbol: two vertical straight lines. … |–6| = 6 means “the absolute value of –6 is 6.”

## What does a vertical line mean in an equation?

The vertical line, also called the vertical slash or upright slash ( | ), is used in mathematical notation in place of the **expression “such that” or “it is true that**.” This symbol is commonly encountered in statements involving logic and sets. Also see Mathematical Symbols.

## What is this symbol called?

Symbol | Name of the Symbol | Similar glyphs or related concepts |
---|---|---|

& | Ampersand | |

⟨ ⟩ | Angle brackets | Bracket, Parenthesis, Greater-than sign, Less-than sign |

‘ ‘ | Apostrophe | Quotation mark, Guillemet, Prime, foot (unit), minute |

* | Asterisk |

## What does a vertical line mean in probability?

The vertical bar is often called a ‘pipe’. It is often used in mathematics, logic and statistics. It typically is read as ‘**given that**‘. In probability and statistics it often indicates conditional probability, but can also indicate a conditional distribution.

## What is a tilde symbol?

The tilde is the mark “~” placed on top **of a symbol to indicate some special property**. is voiced ” -tilde.” The tilde symbol is commonly used to denote an operator. In informal usage, “tilde” is often instead voiced as “twiddle” (Derbyshire 2004, p. 45).

## How do you read a tilde?

Here is a summary: When **placed above the letter, the tilde indicates nasalization**. If superimposed on the letter, the tilde indicates velarization or pharyngealization. When placed below a letter, the tilde indicates laryngealization.

## What does this symbol mean ≅?

The symbol ≅ is officially defined as **U+2245 ≅ APPROXIMATELY EQUAL TO**. It may refer to: Approximate equality. Congruence (geometry) Congruence relation.