Raku Perl 6 uses rationals by default for decimal literals. No imports necessary. You actually have to opt-in to floating point by using engineering notation.

Raku Perl 6 uses rationals by default for decimal literals. No imports necessary. You actually have to opt-in to floating point by using engineering notation. https://docs.perl6.org/language/numerics#Rational https://docs.perl6.org/language/numerics#Rational