All You Wanted to Know About Pi March Pi Day! Today is the day that the math teachers in my building live for, and there is a full slate of activities planned in all their classes. How much do we really know about pi, however? I know I am still caught in…

Pi vs. Pie is a funny new mathematical Thanksgiving themed comic created by Colorado cartoonist and orthodontics student Grant Snider of Incidental Comics. We have previously written about Grant Sn…

crochet - sizing a beanie hat - know when to stop increasing for any head size - measure head around then bit of maths: pi (3.14) x diameter (of flat circular start of hat) = circumference of head (but take off an inch or so of actual head size so hat can stretch a little and stay on).