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Happy Pi Day, Albert Einstein

Today is Pi Day, the day that starts off 3.14 and celebrates the ratio of the circumference of a circle to its diameter. This day gives mathematicians from around the world an opportunity to educate everyone and celebrate the beauty of the universe. So it seems appropriate to me that Albert Einstein, who once said […]

Free Graphing Calculator App

This one is for the iOS series of devices, including iPhones and iPads; the Free Graphing Calculator for iOS. This has a lot of built in functions, solvers for a variety of equation types, constants including those necessary to do orbital mechanics calculations, reference material including some very detailed but understandable explanations of how the […]

Happy Pi Day!

Today is Pi Day, celebrated each year on March 14th, or 3.14, with extreme enthusiasts further designating 1:59 as a special minute; Happy Pi Day!. From one coast to the other the mathematically inclined, not to mention a boatload of teachers, will all be spreading the word about this most mathematical of days.


Square Root Day, Reaper Night

Happy Square Root Day! It happens only 9 times a century, when the day and month are the square root of the last two digits of the year; and this year it happens only a few weeks before Pi Day, first celebrated at the Exploratorium back in 1988. Then there is Pi Approximation Day on […]