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Donald Knuth used to write checks in hexadecimal amounts to people who reported errors in his books (I have $7.68) but had to stop because people post photos of
by jks 6y ago
Donald Knuth used to write checks in hexadecimal amounts to people who reported errors in his books (I have $7.68) but had to stop because people post photos of the checks online and the numbers printed on them can be used for fraud.
- inimino 6y agoHe still writes them, they're just not from a real bank anymore.