Adding to his extensive collection of simple but effective and clear math apps, Esa Helttula has now introduced Polynomial Long Division. Most of Esa's previous apps have been about arithmetic, ...

D. K. Harrison has shown that if a ring with identity has a positive cone that is an infinite prime (a subsemiring that contains 1 and is maximal with respect to avoiding - 1), and if the cone ...

Let $L$ be a finite dimensional Lie algebra over a field $k$ of characteristic zero, $D(L)$ the quotient division ring of $U(L)$. It is shown that the weights of the ...

Algebra is all about missing values or numbers. If you have solved a missing box problem, you have already solved an algebra equation. Rather than drawing missing boxes or writing the words “missing ...

Dasaun Gray used to struggle with math. Like many students, he didn’t study over the summer. So he felt like he was playing catch-up once the school year began. Now a sophomore at Deep Creek High, ...