(.) dot operator

(.) decimal separator

The dot (.) symbol is used as the decimal separator:

show scalar "My number" with 12.345

(.) dot operator, vector access operator

The dot (.) symbol is used to access a vector contained in a table.

table T = with
  [| as X |]
  [| 1 |]
  [| 2 |]
  [| 3 |]

show table "" a1a3 with T.X