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"pi"

A Different Pi for Pi Day

Tired of the circle constant? The prime counting function π(x) is an alternative way to celebrate everyone's favorite Greek letter that sounds like a dessert.

March 14, 2014 — Evelyn Lamb

What’s so Great about Continued Fractions?

The more I learn about continued fractions, the more enamored I am with them. Last week, when I wrote about how much better continued fractions are than the arbitrary decimal digits we usually use to describe numbers, I mentioned that continued fractions tell us the "best approximations" of irrational numbers.

March 17, 2015 — Evelyn Lamb