Will Kenton is an expert on the economy and investing laws and regulations. He previously held senior editorial roles at Investopedia and Kapitall Wire and holds a MA in Economics from The New School ...

Students estimate their way through pop culture problems to learn a life skill. Scientists of all stripes are known for an ability to grab the nearest scrap of paper and scribble out a quick ...

Some engineers, professional and amateur, share something with Enrico Fermi: the ability to take rough data, pencil whip it through a few calculations, and decide if a project is possible or what it ...

The art of estimations is pretty much a physicist's bread and butter. We all love a good estimation problem. You might also hear these called a "back of the envelope" calculation, or a calculation on ...

Caladis is a free, open-source website that works as a calculator that includes uncertainty in its calculations. We developed it because we want to help people, and especially biologists, make the ...