https://www.mathsisfun.com/symbols.html
Symbols save time and space when writing. Here are the most common mathematical symbols:

https://www.grammarly.com/blog/parentheses-and-brackets/
Updated on November 15, 2022 Grammar. Parentheses and brackets are punctuation marks used to set apart certain words and sentences. Parentheses, ( ), are used to add extra information in text, while brackets, [ ], are used mainly in quotations to add extra information that wasn't in the original quote. A common point of confusion in English

https://math.stackexchange.com/questions/864606/difference-between-%E2%89%88-%E2%89%83-and-%E2%89%85
In LaTeX it is coded as \cong. ∼ ∼ is a similarity in geometry and can be used to show that two things are asymptotically equal (they become more equal as you increase a variable like n n ). This is a weaker statement than the other two. In LaTeX it is coded as \sim. ≃ ≃ is more of a grab-bag of meaning.

https://www.mathematics-monster.com/symbols/Minus-Sign.html
Example 1: Subtraction of Numbers: When considering the subtraction of two numbers, the − sign is used to indicate the operation. For instance: 7 − 5 = 2 7 − 5 = 2. In this equation, 5 is subtracted from 7 to yield a result of 2. Example 2: Indicating Negative Values: The − sign is also employed to represent negative quantities.

https://emojipedia.org/warning
A triangle with an exclamation mark inside, used as a warning or alert. This emoji is used prominently within social media platform BeReal's core time-sensitive "⚠️ Time to BeReal ⚠️" push notification. This notification is shown when being prompted to share a photo of themselves and their immediate surroundings, with this notification

https://en.wikipedia.org/wiki/Multiplication_sign
The multiplication sign (×), also known as the times sign or the dimension sign, is a mathematical symbol used to denote the operation of multiplication, which results in a product. While similar to a lowercase X (x), the form is properly a four-fold rotationally symmetric saltire.. The symbol is also used in botany, in botanical hybrid names and the Heavy Goods Vehicle industry, to calculate

https://en.wikipedia.org/wiki/Table_of_mathematical_symbols_by_introduction_date
1895. Georg Cantor. N {\displaystyle \mathbb {N} } Blackboard bold capital N (for natural numbers set) 1895. Giuseppe Peano. Q {\displaystyle \mathbb {Q} } Blackboard bold capital Q (for rational numbers set)

https://emojipedia.org/check-mark
A thick check mark / tick displayed on some platforms in a handwritten style. Generally displayed in black. Commonly used in lists to signify completed tasks or verification of a statement of fact. Previously shown in red on Samsung and green on Google and Microsoft . Note: this emoji is not supported in Twitter / X names, to minimize confusion

https://en.wikipedia.org/wiki/%E2%88%82
The character ∂ (Unicode: U+2202) is a stylized cursive d mainly used as a mathematical symbol, usually to denote a partial derivative such as / (read as "the partial derivative of z with respect to x"). It is also used for boundary of a set, the boundary operator in a chain complex, and the conjugate of the Dolbeault operator on smooth differential forms over a complex manifold.

https://emojipedia.org/exclamation-question-mark
A large red exclamation mark (!) and a large red question mark symbol (?) placed side-by-side (!?). Exclamation Question Mark was approved as part of Unicode 3.0 in 1999 and added to Emoji 1.0 in 2015.

https://wumbo.net/symbols/minus/
The minus symbol is used in math to represent subtraction. Typically, the symbol is used in an expression like this: In plain language, this expression represents 6 minus 5. Note, the code point of this character is different from the hyphen symbol (-) on the keyboard even though they are usually used to mean the same thing. The minus symbol is

https://altcodeunicode.com/alt-codes-math-symbols-operators/
Alt 11007. 2AFF Alt X. N-ary white vertical bar, n-ary Dijkstra choice. &#11007. &#x2AFF. U+2AFF. For more math signs and symbols, see Alt Codes for Math Symbols. For the the complete list of the first 256 Windows Alt Codes, visit Windows Alt Codes for Special Characters & Symbols. How to easily type mathematical operator signs (∃ ∛ ∴

https://www.mathematics-monster.com/symbols/Tilde-Operator.html
Here, the tilde indicates that 3.14 is an approximation of π. To wrap up, the ∼ symbol is versatile and widely adopted in various mathematical contexts. Its usage mainly revolves around the concepts of similarity, equivalence, or approximation. It's an efficient way to convey these concepts without the need for verbose explanations.

https://wumbo.net/symbols/dot-operator/
The dot operator symbol is used in math to represent multiplication and, in the context of linear algebra, as the dot product operator. Typically, the symbol is used in an expression like this: 3⋅ 5. In plain language, this expression means three multiplied by five. The interpunct symbol also referred to as the middle dot, dot product symbol

https://math.stackexchange.com/questions/1614875/what-does-%E2%89%BC-or-%E2%89%BA-mean
I think it's probably just notation to distinguish the ordering on F F from that on E E. Other acceptable symbols include ⪯ ⪯, ⊑ ⊑, etc. - Remy. Jan 16, 2016 at 21:14. 1. To explain what they mean by X ⪯ Y ⇔ X = X ∧ Y X ⪯ Y ⇔ X = X ∧ Y, they are referring to the Meet of X X and Y Y.

https://www.thepunctuationguide.com/slash.html
The one inarguably acceptable use of the slash in formal writing pertains to poetry. The slash, with one space on either side, indicates a line break. In choosing your path in life, you might consider the words of Robert Frost, in his poem "The Road Not Taken": "I took the one less traveled by, / And that has made all the difference.".

https://www.thoughtco.com/slash-virgule-1692104
The slash or virgule is a forward sloping line ( /) that serves as a mark of punctuation. Also called an oblique, an oblique stroke, a diagonal, a solidus, a forward slash, and a separatrix . The slash is commonly used to: signify alternatives ( and/or) separate the parts of a fraction ( 2/3 ), date ( 1/1/2017 ), or Internet address ( http

https://math.stackexchange.com/questions/4380266/meaning-of-the-symbol-%E2%89%A1
It can mean "is defined to be equal to" (for which another common symbol is := := ). Another meaning is "is identically equal to" (for example we write sin2 x +cos2 x ≡ 1 sin 2. ⁡. x + cos 2. ⁡. x ≡ 1 to emphasize that this equation holds for all x ∈R x ∈ R (actually for all x ∈C x ∈ C as well)). It can also mean congurence as

https://onlinemathcenter.com/blog/math/math-symbols-and-their-meanings-part-x-brackets/
120 x 14 = 1.680. Without brackets: 150 - 30 x 6 + 8, first we solve the multiplication 30 x 6, then the subtraction (left to right order) and then the addition. 150 - 180 + 8 = - 30 + 8 = ﹣ 22. " [ ]". This symbol represents square brackets or box brackets. They are used to signal complex operations and to indicate half-open or

https://math.stackexchange.com/questions/3958074/what-is-the-meaning-of-%E2%8A%8A
3 Answers. Short answer: A B A ⊊ B means that A A is a subset of B B and A A is not equal to B B. Long answer: There is some confusion on mathematical textbooks when it comes to the symbols indicating one set is a subset of another. It's relatively clear what the symbol " ⊆ " means. This symbol is more or less universally understood as the

https://math.stackexchange.com/questions/2864497/what-does-%E2%A9%94-mean
In the language "R" the operators "|" and "&" indicate the logical operations OR and AND, but the longer form evaluates left to right examining only the first element of each vector. Source: "Logical operators in R". In the language JavaScript bitwise operators ("|" and "&") treat their operands as a sequence of 32 bits (zeroes