Category: Updates

What numbers make a pyramid?

1, 5, 14, 30, 55, 91, 140, 204, 285, 385, 506, 650, 819, . The summation in the formula represents the decomposition of a pyramid into its square layers. ...

How do you make a good post?

7 No-brainer Tips to Write an Awesome Facebook Post Ask a Question. But be direct. Keep it short. With more and more pages and people to follow the news f...