I'm convinced that laundry has mathmatical properties that exist outside of any and all known natural laws.
How else can you explain how in 2 days, one family of 4 can produce 23 socks, 13 pairs of underware (excluding bras), 9 pairs of pants, 17 shirts, 15 kitchen towels and 7 bath towels?
Move over calculus, here comes laundryculus...