From rockets to cancer research, here’s how the number pi is embedded in our lives

As people celebrate Pi Day this March 14, the mathematical constant continues to be part of everyday life for scientists and ...

You Can Approximate Pi by Dropping Needles on the Floor

In this simulation, 66 of the 100 needles crossed a line (you can count ’em). Using this number, we get a value of pi at 3.0303—which is not 3.14—but it's not terrible for just 100 needles. With ...
Scientific American

How to find pi in randomness all around you

Celebrate Pi Day and read all about how this number pops up across math and science on our special Pi Day page. Grab something circular, like a cup, measure the distance around the circle, and divide ...
Investopedia

Comprehensive Guide to Aggregate Functions: Definition and Examples

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...
Hackaday

It’s 1979 – What Exactly Did That ∫ Key Do?

Michel Jean] asked a question few others might: what exactly is going on under the hood of a classic HP scientific calculator when one presses the ∫ key? A numerical integration, sure, but how ...