For those of you just coming out from under that rock and still don’t have a computer, this retro monthly budget calculator is exactly what you need to get your finances in order. It embraces 6 categories: Food, Apparel, Transportation, Entertainment (porn), and Misc.
Input your data into the appropriate field and the calculator effectively determines the differential. It could be good for developing a child’s relationship with money and 3rd world countries could also benefit from this device provided some of the icons get changed to the bovine variety.
Buy one now for $20. Uses 3 included AAA batteries.