∆ may refer to:
*
Triangle
A triangle is a polygon with three edges and three vertices. It is one of the basic shapes in geometry. A triangle with vertices ''A'', ''B'', and ''C'' is denoted \triangle ABC.
In Euclidean geometry, any three points, when non- colline ...
(∆), one of the basic shapes in geometry. Many different
mathematical equations include the use of the triangle.
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Delta (letter) (Δ), a Greek letter also used in mathematics and computer science
*
ᐃ, a letter of
Canadian Aboriginal Syllabics
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Delta baryon
The Delta baryons (or baryons, also called Delta resonances) are a family of subatomic particle made of three up or down quarks (u or d quarks), the same constituent quarks that make up the more familiar protons and neutrons.
Properties
Four c ...
(Δ), one of several
Baryons
In particle physics, a baryon is a type of composite subatomic particle which contains an odd number of valence quarks (at least 3). Baryons belong to the hadron family of particles; hadrons are composed of quarks. Baryons are also classified ...
consisting of
up and
down quarks.
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alt-J (Δ), a British indie band
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Laplace operator (Δ), a differential operator
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Increment operator
Increment or incremental may refer to:
* Incrementalism, a theory (also used in politics as a synonym for gradualism)
* Increment and decrement operators, the operators ++ and -- in computer programming
* Incremental computing
* Incremental backu ...
(∆)
*
Symmetric difference
In mathematics, the symmetric difference of two sets, also known as the disjunctive union, is the set of elements which are in either of the sets, but not in their intersection. For example, the symmetric difference of the sets \ and \ is \.
Th ...
, in mathematics, the set of elements which are in either of two sets and not in their intersection
{{Greek Alphabet, letter=delta