In order to avoid any further confusion with KenKen(R) and KenDoku(TM) trademarks of Nextoy, LLC, I have changed the name of these puzzles to CalcuDoku.
This name is also used by other publishers but it is not trademarked.
CalcuDoku clarification
In order to avoid any further confusion with KenKen(R) and KenDoku(TM) trademarks of Nextoy, LLC, I have changed the name of these puzzles to CalcuDoku.
This name is also used by other publishers but it is not trademarked.
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