(.) 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