For the first time, the March SAT was completely digital and adaptive. Each student taking the test got easier or harder questions depending on whether or not they correctly answered previous ...

The goal of this module is to help students create the correct amount of cents using the fewest number of coins. In this module a randomly generated amount of cents will be printed to the computer ...

The Virasoro vertex algebra arises as the symmetry algebra of a two-dimensional conformal field theory. The Virasoro irreducible modules are well-known, and they play a prominent role in rational ...