cool (in Off-topic)

How can this be? A man deposited $50 in a savings account, then withdrew it in various sums. When he'd recovered his $50 he was surprised to find $1 left in the account, though it had drawn no interest.

When he inquired, the bank produced this ledger:

Because you're adding remaining balances, which gives you an absolutely meaningless number.

if you only took out 1 dollar at a time, then you would have
1225