Binary-coded decimal (BCD) menubar clock.
BCDClock uses handy binary notation: Binary-Coded Decimal, or BCD. Each decimal digit is represented by the binary number from 0 to 1001. This notation is often used for binary displays of decimal data. It is very easy for calculation - as only addition within numbers 0..9 used.
Updated on Dec 27 2016
Note: Now requires OS X 10.11 or later running on a 64-bit Intel processor