| APL syntax [edit]
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| General
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Comparison with traditional mathematics ∙ Precedence ∙ Tacit programming (Train, Hook, Split composition)
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| Array
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Numeric literal ∙ String ∙ Strand notation ∙ Object literal ∙ Array notation (design considerations)
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| Function
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Argument ∙ Function valence ∙ Derived function ∙ Derived operator ∙ Niladic function ∙ Monadic function ∙ Dyadic function ∙ Ambivalent function ∙ Defined function (traditional) ∙ Dfn ∙ Function train
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| Operator
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Operand ∙ Operator valence ∙ Tradop ∙ Dop ∙ Derived operator
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| Assignment
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Multiple ∙ Indexed ∙ Selective ∙ Modified
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| Other
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Function axis ∙ Bracket indexing ∙ Branch ∙ Statement separator ∙ Quad name ∙ System command ∙ User command ∙ Keyword ∙ Dot notation ∙ Function-operator overloading ∙ Control structure ∙ Comment
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