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In 2007 Alexander Shapovalov suggested an unusual coin-weighing problem for the sixth international Kolmogorov math tournament [5]. A judge is presented with 80 coins that all look the same, knowing ...

There are all sorts of apps available in the market these days, and some of them are immensely useful. Like the apps we’ll talk about in these articles. These apps allow you to solve math problems by ...

(bright upbeat music) - Good morning, boys and girls. Welcome back to Room Nine. It is Dr. Sanders in here getting ready for somewhat baseball. And knows (indistinct), but no, I am here in the largest ...