Have a whip-round with friends or family. You know how they say: "Short debts make long friends".
The term vaquita (little cow in Spanish) is used in Argentina to refer to the act of spliting up costs for an event across a grup of participants.
I started this project as part of my presentation "Functional Programming with Haskell" during @zipMoney Brain Week, but I intend to keep working on it. You can find the source file for the slides and live coding examples in this branch.
Telegram Bot coming up! To enable splitting of expenses within a group.