Some people like to think you can’t have a universal set. I say otherwise. The difference is what you can do about it. Perl 6 has the empty set, ∅ […]

Read more# Category: Sets

## Quick Tip #13: Kapreker’s Constant

A Kaprekar’s Constant is the number you end up with when you repeatedly substract the descending digits of a four digit number from the ascending digits. This is mostly a […]

Read more## Quick Tip #8: Perl 6 sets

Perl 6 has proper sets and set-like types, along operators to do proper set operations.

Read more