If your business uses spreadsheets, you may find it necessary to count the number of cells containing data in a worksheet. You might also need to determine how many cells are empty or if the values of ...

Mathematical methods and special functions have long served as the backbone of modern theoretical physics and applied mathematics. These tools enable researchers to solve complex differential ...

A blue-ribbon panel of mathematics education researchers released a long-range plan last week that it says will answer the thorny questions of how best to teach math. To begin with, the report says, ...