**pre-reqs:** *none* I know who you are. I have seen you before and talked to you before. You are taking introductory physics and you are scared. Why does this have to be so difficult? It seems like ...

Do you want to expand your knowledge? Do you want to get a feel for online learning? Or do you just want something to do? Well, Central Penn College is offering around 40 free online classes for ...

September 18, 2025 - Meet Allison Saiki, who teaches students how to manage money, pay rent and open retirement accounts, with a class currency she calls "Saiki Cents." High school math, and algebra, ...

Some key concepts should be introduced earlier, argues the pamphlet At seven, pupils should know their tables up to 10 and be introduced to basic algebra, says a study. The draft primary maths ...

Whether you’re passing secret notes in class or downloading images from a space probe, Reed-Solomon codes offer an ingenious way to embed information and correct for errors. Space exploration requires ...

One of the basic theorems in universal algebra is Birkhoff's variety theorem: the smallest equationally axiomatizable class containing a class K of algebras coincides with the class obtained by taking ...