Yesterday I received an email from Michael McGinnis, the sculpture who invented Superplexus – the coolest puzzle I have ever seen. He has been using BuildCalc for some time and, in his words:

… visit my website at to see why your calculator is so valued to me personally.
– Michael McGinnis

So, I did. Wow, totally cool!  My first thought was, when will I get the chance to try one of this out.  Then, I saw this …

So guess what the twins are getting this Christmas.  The amount of creativity and precision in both Superplexus and Perplexus have blown me away and so I wanted to know a little more about Michael.  Fortunately, he has a great web site and you can hear the Superplexus story in his own words here:

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