I make short, to-the-point online math tutorials. I struggled with math growing up and have been able to use those experiences to help students improve in math through practical applications and tips.

In this video series you will learn multiple math operations. I teach in front of a live classroom showing my students how to ...

Xleak is a simple terminal tool that lets you open and inspect Excel files instantly, without ever leaving your command line.

Could early February's blast of cold in the northeastern United States be one of the last appearances of our wintertime foe, the polar vortex? While forecasters can't yet say that for sure, a warmer ...

The evidence is solid but not definitive, as the conclusions rely on the absence of changes in spatial breadth and would benefit from clearer statistical justification and a more cautious ...

Hello, world? Can I come out of hibernation yet? Folks in the central and eastern United States who've endured weeks of bitter cold and snow are wondering: Is winter over? Will the polar vortex come ...