+**Gamma** (uppercase Γ, lowercase γ) is the third letter of the [Greek alphabet](/wiki/Greek_alphabet). It represents diverse concepts, from [Gamma rays](/wiki/Gamma_rays) in physics—a powerful form of electromagnetic radiation—to a function in mathematics. It also describes a parameter in fields like computer graphics and finance.
+## See also
+- [Radiation](/wiki/Radiation)
+- [Light](/wiki/Light)
+- [Calculus](/wiki/Calculus)
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