echo %time% - perl5
call c:\strawberry_perl\portableshell.bat -E "my $s; for ( 1..1000000 ) { $s+=1/$_**2 }; say $s"
echo !time!

echo %time% - perl6
call perl6 -e "my $s; for ( 1..1000000 ) { $s+=1/$_**2 }; say $s"
echo %time%