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https://en.wikipedia.org/wiki/Glossary_of_mathematical_symbols
A mathematical symbol is a figure or a combination of figures that is used to represent a mathematical object, an action on mathematical objects, a relation between mathematical objects, or for structuring the other symbols that occur in a formula. As formulas are entirely constituted with symbols of various types, many symbols are needed for
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://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://altcodeunicode.com/alt-codes-math-symbols-operators/
Alt 11007. 2AFF Alt X. N-ary white vertical bar, n-ary Dijkstra choice. ⫿. ⫿. 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://en.wiktionary.org/wiki/%E2%89%88
Eric Weisstein, Wolfram Mathworld, "Approximately Equal": If two quantities A and B are approximately equal, this is written A ≈ B. Synonyms: ~=, ≅. ( topology) Homeomorphic to.
https://www.mathsisfun.com/symbols.html
Symbols save time and space when writing. Here are the most common mathematical symbols
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://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://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://www.mathsisfun.com/algebra/symbols.html
not equal to. π ≠ 2. < ≤. less than, less than or equal to. 2 < 3. > ≥. greater than, greater than or equal to. 5 > 1. ⇒.
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
https://en.wiktionary.org/wiki/%E2%86%94
left or right, leftward or rightward. ( logic) material equivalence; if and only if. ( computing) adjustable in horizontal direction. ( architecture) size in horizontal direction, width.
https://emojiterra.com/meaning/
Emojis 😃 are small digital images or symbols that express a wide range of meanings and emotions ️ 😣.Also known as pictograms, emojis are now part of our daily communication 📱 and have a significant impact on social media 📷 💬, online messaging 📩, and even in the business world 💼 🌍.. An emoji can have a positive and/or negative meaning or even be ambiguous 🤔 💭.
https://www.mathsisfun.com/algebra/brackets.html
Brackets are symbols used in pairs to group things together. When we see things inside brackets we do them first (as explained in Order of Operations ). The parentheses group 3 and 2 together, and 6 and 4 together, so they get done first: Without the parentheses the multiplication is done first: With more complicated grouping we can use
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://www.mathematics-monster.com/symbols/Dot-Operator.html
The Dot Operator, symbolized as ⋅ is a mathematical notation frequently employed in various mathematical contexts. One of its primary usages is in vector calculus, where it represents the dot product. Additionally, it can denote multiplication in some scenarios, especially when traditional multiplication signs might be confusing.
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://emojipedia.org/check-mark
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https://emojipedia.org/cross-mark?ref=blog.emojipedia.org
Cross Mark. A large red cross mark, displayed in the shape of a letter X and similar to a multiplication sign. Cross Mark was approved as part of Unicode 6.0 in 2010 and added to Emoji 1.0 in 2015.
https://emojipedia.org/slightly-smiling-face
A yellow face with simple, open eyes and a thin, closed smile. Conveys a wide range of positive, happy, and friendly sentiments. Its tone can also be patronizing, passive-aggressive, or ironic, as if saying This is fine when it's really not. Slightly Smiling Face was approved as part of Unicode 7.0 in 2014 and added to Emoji 1.0 in 2015.