in reply to
Re^3: @array elements multiplication with another array elements.
in thread @array elements multiplication with another array elements.
I will now look into how the $ARRAY_BASE special variable affects the $# variable.
By all means investigate the-special-variable-whose-name-must-not-be-written to learn its heterodoxy, but never use this impious and odious monstrosity lest your script be shunned throughout all lands and ages, and your name be cursed by maintainers.
>perl -wMstrict -le
"$[ = 654;
my @ra = 0 .. 12;
Use of assignment to $[ is deprecated at -e line 1.