AFAIK, J considers `1` to be an array - `L. 1` and `L. 1 2` both give 0 (`L. (1;2)` gives 1). APL's simple scalar numbers are much more like regular numbers in

AFAIK, J considers `1` to be an array - `L. 1` and `L. 1 2` both give 0 (`L. (1;2)` gives 1). APL's simple scalar numbers are much more like regular numbers in non-array languages.