Every so often its good to exercise your brain with a math problem or two that forces you to recall principles you learned ...

Test your knowledge of taxicab geometry, triangular numbers, the golden ratio and more.

Learn how to answer clients’ “obvious” financial questions with clarity, patience, and insight—turning confusion into trust ...

Here's the sequence: 8, 22, 12, 16, 22, 20, 24, ..... A) 28, 32 B) 28, 22 C) 22, 28 D) 22, 26 If the answer is yes, ...