One, the most common in modern typography and inherited from medieval minuscule, looks like a reversed number "3" and is encoded U+03B5 ε GREEK SMALL LETTER EPSILON.
The symbol ∑ indicates summation and is used as a shorthand notation for the sum of terms that follow a pattern.
In everyday handwriting, the ampersand is sometimes simplified in design as a large lowercase epsilon Ɛ or a reversed numeral 3, superimposed by a vertical line. The ampersand is also sometimes shown as an epsilon with a vertical line above and below it or a dot above and below it.
∴ (three dots) means “therefore” and first appeared in print in the 1659 book Teusche Algebra (“Teach Yourself Algebra”) by Johann Rahn (1622-1676). (the such that sign) means “under the condition that”. However, it is much more common (and less ambiguous) to just abbreviate “such that” as “s.t.”.
The triple bar or tribar, ≡, is a symbol with multiple, context-dependent meanings indicating equivalence of two different things. Its main uses are in mathematics and logic.
It just doesn't make sense to spend the rest of your life writing 3s, so in math we would say 1 / 3 = 0.3 with a line over the three to show that the three repeats forever. This is called bar notation. Bar notation is an easier way to write a repeating number by putting a line, or bar, over the repeating numbers.
emoticon means love on social media. This cute symbol is most commonly used to discuss romantic relationships, friendships, or passions when texting, tweeting, or posting. Someone may use a <3 to replace the word “love” in a sentence or to convey warm feelings for someone or something.
The inverted form, ∵, known as the because sign, is sometimes used as a shorthand form of "because".
The intersection operation is denoted by the symbol ∩. The set A ∩ B—read “A intersection B” or “the intersection of A and B”—is defined as the set composed of all elements that belong to both A and B.
If you're using an Android or iPhone, press the symbol button on your keyboard (something like "? 123" or "123"). Enter "<" and "3" to make "<3", which is the heart symbol. If you're using a computer, press and hold "Shift" and press "<".
How to Write the Euler Constant Symbol ℇ on Keyboard? To write the Euler Constant symbol ℇ on keyboard using ALT codes; ALT+8455, just hold down the ALT key while typing the alt key code 8455. You have to use the numeric keypad of your keyboard.
A girl might also use “uwu” to convey bashfulness.
Among uwu's many uses, some girls also use it to express shyness or a cute sort of sheepishness. This is often accompanied by the “??” emojis, which convey a pleading or demure meekness.
?? — Shy, nervous (usually in the context of flirting)
?? — Shy, nervous – usually in the context of flirting.
Intersection of Three Sets
Suppose A, B and C are three sets, then the intersection of these three sets is the set of all elements that are common to A, B and C. This can be represented as A ∩ B ∩ C.
The union of two sets contains all the elements contained in either set (or both sets). The union is notated A ⋃ B.
For any two sets A and B, the intersection, A ∩ B (read as A intersection B) lists all the elements that are present in both sets (common elements of A and B). For example, if Set A = {1,2,3,4,5} and Set B = {3,4,6,8}, A ∩ B = {3,4}.
A roll of paper, as toilet paper (toilet tissue). May also be a roll of kitchen/paper towels. Depicted at various angles, with a sheet unfurling. Commonly used for toilet paper but may also be used for various content concerning toilets, going to the bathroom, bathrooms, cleaning, or paper more generally.
In Statistics Explained articles the symbol '€' should be used for euro in the text if it is followed by a number.
-_- is an emoticon which has a number of meanings, including "Annoyed," "Bored," and "Tired."
Who uses ? Purple Heart emoji? Like the many other heart emoji such as Red Heart ❤️ and Blue Heart ?, the Purple Heart emoji ? is generally used to convey love and other strong, affectionate, positive feelings.
It symbolizes love or affection.
Despite its dark shade, a ? represents love and affection. Someone may send this emoji alone or at the end of a sentence to show that they care for you.
From a girl, the wilted flower emoji ? can convey the same emotions as from a guy: sadness, sympathy, and regret.