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Tetsuya Miyamoto
My name is Tetsuya Miyamoto.I am the inventor of KenKen.It's in The New York Times every day! After I worked at SapiX, in 1993, I set up Miyamoto Sansu Kyoshitu (mathematics cram school) in Yokohama. In 2009, I wanted to have mathematics class in the center of Japan so I moved it to the place of... show more



My name is Tetsuya Miyamoto.I am the inventor of KenKen.It's in The New York Times every day! After I worked at SapiX, in 1993, I set up Miyamoto Sansu Kyoshitu (mathematics cram school) in Yokohama. In 2009, I wanted to have mathematics class in the center of Japan so I moved it to the place of a three minute walking distance from the Nihonbashi exit of Tokyo station. In 2015, I wanted to have mathematics class in the center of the world. So I moved my cram school to the place of a ten minute walking distance from Grand central station in Manhattan,NY.http://www.miyamoto-mathematics.com/

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Community Reviews
A Few Thoughts
A Few Thoughts rated it 12 years ago
I'm not wild about the format of this one. I generally prefer if the puzzles get larger and/or harder as the book progresses. This one has a rather awkward system of getting harder and then going back to easier and then back to harder (and so on) according to size. It seems like a pointless variat...
A Few Thoughts
A Few Thoughts rated it 13 years ago
Being fairly new to KenKen, these are the first 6x6 ones I've done. They were nice. Nothing too difficult here, but enjoyable.
A Few Thoughts
A Few Thoughts rated it 13 years ago
I don't know if it's because I've done so many more sudoku over the years or if it's because I like having to use two different basic brain systems (logic and arithmetic), but lately, I get a lot more pleasure out of doing KenKen than Sudoku. The ones in this book were nice. Not very difficult, bu...
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