Dot

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.

The glyph dot or period refers to the . character. It represents several unrelated concepts, some derived from traditional mathematical notation. The dot is one of the most overloaded APL symbols:

Due to its use in numeric constants, letting . be a dyadic operator that takes numeric operands or a function that takes numeric arguments, is potentially problematic or at least confusing:

      4.6
4.6
      4..6
4 5 6 
      4...10 ⍝ this parses as 4 .. 0.10
4 3 2 1
      4. .10
4 0.1
      4 . . 10
SYNTAX ERROR
      4 . . 10
              
Works in: NARS2000
APL glyphs [edit]
Information GlyphTyping glyphs (on Linux) ∙ UnicodeFontsMnemonics
Individual glyphs Jot () ∙ Right Shoe () ∙ Up Arrow () ∙ Zilde () ∙ High minus (¯) ∙ Dot (.)