"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Representation theory transforms abstract algebra groups into things like simpler matrices. The field’s ...

Jumping from high school to college-level statistics and geometry can feel like learning a new language. The concepts get more abstract, the formulas become more complex, and the homework piles up ...

Algebra I should be a gateway—not gatekeeper—to students’ future academic success, in college and beyond. So says the Bill & Melinda Gates Foundation, which is issuing a challenge to developers and ...