Monthly Archives: December 2010

Mental Math – Square Roots

As you can probably tell from a previous post, “Completing the Square: Two Forms – Two Methods,”  I like taking square roots.  For instance I got several years of pleasure from a mental mathematics method for calculating square roots that … Continue reading

Posted in Math and Me, Math Explorations, Rants | Leave a comment

Too Good to be True – Math in the Popular Press I

I came across this statement in a  recent Atlantic Monthly.  “Further, if instead of paying a $2,000 mortgage once a month, you pay $1,000 every two weeks, you can pay off a 25-year mortgage five to seven years early!”   This … Continue reading

Posted in Popular Press Explorations | Leave a comment