##### Asked by: Mike Davidson

## What does this symbol ∼ represent?

“∼” is one of many symbols, listed in the Wikipedia article on approximation, used to indicate that **one number is approximately equal to another**. Note that “approximately equal” is reflexive and symmetric but not transitive. “∼” is one of many symbols used in logic to indicate negation.

## What is the weird e looking thing in math?

The symbol **∑ indicates summation** and is used as a shorthand notation for the sum of terms that follow a pattern.

## What does R2 → R mean?

Hence, we can refer to f:R2→R as **a scalar-valued function of two variables** or even just say it is a real-valued function of two variables. Everything works the same for scalar valued functions of three or more variables. For example, f(x,y,z), which we can write f:R3→R, is a scalar-valued function of three variables.

## What is this symbol mean?

*What is the symbol for mean as it mean like the word average.*

## What is ≈ called?

approximately equal to

The symbol ≈ means **approximately equal to**.

## What is this symbol called?

This table contains special characters.

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

≈ | Almost equal to | Approximately equal to sign. |

& |
Ampersand |
plus sign |

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

‘ ‘ | Apostrophe | Quotation mark, Guillemet, Prime, Grave |

## How do you use ∑?

A series can be represented in a compact form, called summation or sigma notation. The Greek capital letter, ∑ , is used **to represent the sum**. The series 4+8+12+16+20+24 can be expressed as 6∑n=14n . The expression is read as the sum of 4n as n goes from 1 to 6 .

## What is the pointy e in math?

Σ This symbol (called Sigma) means “**sum up**“

## What do UwU mean?

cute face

Uwu is **an emoticon depicting a cute face**. It is used to express various warm, happy, or affectionate feelings. A closely related emoticon is owo, which can more specifically show surprise and excitement. There are many variations of uwu and owo, including and OwO, UwU, and OwU, among others.

## How do I find out what a symbol means?

**6 Ways to Find Symbols and Look Up Symbol Meanings**

- Identify Symbols Using Symbols.com. The aptly named Symbols.com is a great place to start your search. …
- Draw a Symbol to Find Out Its Meaning. …
- Search Symbols With Google. …
- Browse a List of Symbols. …
- Learn What Emoji Symbols Mean. …
- Utilize a Stock Ticker Symbol Finder.

## What does _ mean in text?

The emoticon . _. means **“Apathy,” “Disappointment,” or “Resignation.”**

## What does mean in texting?

— Means **“hot” in a sexual sense**; a kid might comment this on their crush’s Instagram selfie, for example. 🚛 — “Dump truck,” which refers to a large and/or shapely bottom.

## What is this face ?

**Pleading Face Emoji**

The Pleading Face emoji depicts a yellow face with large puppy-dog eyes and a small frown. It is meant to represent the typical face one makes when pleading, that is, trying to win their compassion or sympathy.

## What does 3 mean from a girl?

“**Love**” is the most common definition for <3. on Snapchat, WhatsApp, Facebook, Twitter, Instagram, and TikTok. <3. Definition: Love.

## What does 😏 mean from a girl?

As its official name reveals, 😏 Smirking Face represents the facial expression of a smirk. It’s used to communicate a range of feelings, including smugness, self-confidence, self-indulgence, mischief, cheeky humor, and general satisfaction. 😏 Smirking Face especially implies, however, **flirtation and sexual innuendo**.

## What does 💕 mean in texting?

💕 Two Hearts emoji

Portraying two heart symbols, with the larger one bigger and in the front, the two hearts emoji is widely used to express **love, affection, pleasure, or happiness**.