A matrix—a rectangular array of numbers—is like a locked chest holding valuable ... are required to have a deeper ...

Statistically, the most common symbol in mathematics is the equal sign, which appears in 94% of mathematical expressions. Almost 60% of statements deploy parentheses. Numbers take up only 13% of ...

What gives? There’s a simple answer, one you’ll never hear in the grand halls of the charity gala circuit: The math of philanthropy simply doesn’t work. And it never will. Americans ...