Tag Archives: cute card

Happy Father’s Day – Math Lecture


A son asks, “Dad, can you help us with our math homework?
Dad said, “Sure!”

3 Hours later…

Dad said, “So, then, you just calculate the eigenvectors of the covariance matrix and these will serve as an orthonormal basis for a completely decorreclated sample set! It’s so brilliant, yet so simple. Am I right, kids or am I right?

Well, it’s the effort that counts. Happy Father’s Day

The card is available here.



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Happy Mother’s Day – My Hot Pink Mama


It is available !

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