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    Sigma

    Visual form

    Visual form

    Name

    Greek small letter Sigma

    Upper case

    Σ (U+03A3)

    Position in Greek alphabet

    18th letter (7th letter from the end)

    Encodings

    Unicode | U+03C3 (decimal: 963)
HTML | σ | σ | σ
Wolfram Language | \[Sigma] | \:03c3

    Standard blocks

    Unicode | Greek and Coptic (880 through 1023) (144 characters)
ISO 8859 | ISO 8859-7 (Latin/Greek) (character 243)

    Unicode classification

    letter ⟩ lowercase

    Computer keyboards containing "σ"

    Greek keyboard | Greek (220) keyboard | Greek (319) keyboard | Greek Polytonic keyboard

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