Helping students to develop math fluency takes more than just flash cards. It requires teaching them how to think about ...

Every so often it's good to exercise your brain with a math problem or two that forces you to recall principles you learned decades prior. As elementary as it might feel, you'd be surprised how easy ...

Abstract. Summation of a large class of the functional series, which terms contain factorials, is considered. We first investigated finite partial sums for integer arguments. These sums have the same ...

In his lively “Empire of the Sum,” Keith Houston looks at the best — and worst — years of the pocket calculator’s life. By Alexander Nazaryan When you purchase an independently reviewed book through ...