As a young math student, Rachel Eng memorized formulas and theorems, but she never learned about the mathematicians who developed them. Nor did she hear about the controversies and dramas that ...

New edition builds on the widely used prior version—now expanded to 530+ questions, added diagnostics, difficulty ...

For all of the recent strides we’ve made in the math world—like a supercomputer finally solving the Sum of Three Cubes problem that puzzled mathematicians for 65 years—we’re forever crunching ...