Contents

- 1 What does this symbol mean in math?
- 2 What does (!) Mean in math?
- 3 What does a backwards 3 mean in math?
- 4 What is the upside down U in math?
- 5 What does the * mean in texting?
- 6 What is the name of this symbol?
- 7 What does 7 mean in math?
- 8 What is meaning of this?
- 9 What does 2 mean?
- 10 What is ∈ called?
- 11 Is 0 a real number?
- 12 What does D stand for in calculus?
- 13 What is a ∆ B?
- 14 What does B stand for math?
- 15 What does P AUB mean?

## What does this symbol mean in math?

This symbol > means greater than, for example 4 > 2. ≤ ≥ These symbols mean ‘less than or equal to’ and ‘greater than or equal to’ and are commonly used in algebra.

## What does (!) Mean in math?

Factorial: Denoted by the exclamation mark (!). Factorial means to multiply by decreasing positive integers. For example, 5!

## What does a backwards 3 mean in math?

Add a comment | Up vote 3. ∈ ( mathematics ) means that it is an element in the set of… For eg x ∈ ℕ denotes that x is within the set of natural numbers.

## What is the upside down U in math?

In maths, the upside – down U means intersection of sets. The ∩ symbol represents the intersection of two sets. This means the elements that are in common to both sets.

## What does the * mean in texting?

Asterisk. Meaning: You’re afraid the person isn’t as cool as you. The main reason people use asterisks in a text is to censor a word, for example: “I like deep-fried sandwiches so my friends call me the C*** of Monte Cristo. Little do they know I’m plotting my elaborate revenge on them.”

## What is the name of this symbol?

This table contains special characters.

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 7 mean in math?

In mathematics, the number 7 represents a quantity or value of 7. The whole number between 6 and 8 is 7. The number name of 7 is seven. Little Sera is showing 7 fingers.

## What is meaning of this?

adjective. English Language Learners Definition of this (Entry 2 of 3) —used to indicate the person, thing, or idea that is present or near in place, time, or thought or that has just been mentioned. —used to indicate the thing that is closest to you or that is being shown to you.

## What does 2 mean?

Number 2 is usually associated to harmony, balance, consideration and love. When this number comes to you, it means that you should have more faith in your angels. Also, this number means cooperation and peace, so many good things are on the way. If you have prayed, angel number 2 can be a result of it.

## What is ∈ called?

The symbol ∈ indicates set membership and means “is an element of ” so that the statement x ∈ A means that x is an element of the set A. In other words, x is one of the objects in the collection of (possibly many) objects in the set A.

## Is 0 a real number?

What Are Real Numbers? Edit. Real numbers consist of zero ( 0 ), the positive and negative integers (-3, -1, 2, 4), and all the fractional and decimal values in between (0.4, 3.1415927, 1/2). Real numbers are divided into rational and irrational numbers.

## What does D stand for in calculus?

Calculus & analysis math symbols table

Symbol | Symbol Name | Meaning / definition |
---|---|---|

D_{x}^{2}y |
second derivative | derivative of derivative |

partial derivative | ||

∫ | integral | opposite to derivation |

∬ | double integral | integration of function of 2 variables |

## What is a ∆ B?

The symmetric difference of two sets A and B is the set (A – B ) ∪ ( B – A) and is denoted by A △ B. A △ B is the set of all those elements which belongs either to A or to B but not to both. A △ B is also expressed by (A ∪ B ) – ( B ∩ A).

## What does B stand for math?

bisector. Base. In geometry, the base of a shape is the side (usually the bottom) that forms a right (90 degree) angle with the height of the object.

## What does P AUB mean?

P(A U B ) is the probability of the sum of all sample points in A U B. Now P(A) + P(B) is the sum of probabilities of sample points in A and in B. Since we added up the sample points in (A ∩ B)