Goin' Dutch from mBrainSoftware, authors of Pdf+, have released an interesting twist on an expenses program. It designed for when you go out with friends and different people pay for different things (and you want to split costs evenly - hence goin' Dutch). Using this software you can save yourself a lot calculations and work out what each person owes each other person.
With Goin' Dutch you can easily and quickly calculate how much each person in a party must pay when you share the bill. Whether you go to a concert, on a long weekend to Paris or on holiday to Spain, Goin' Dutch will keep track of expenses.