Like math? Like puzzles? Then meet Bojagi, a game created by David Radcliffe (@daveinstpaul). It looks simple enough. A grid has a few numbers in it. The goal is to draw a rectangle around each number ...

Many find solving math questions difficult and are always on the lookout for some tips and tricks that makes the subject easy. Now, a video of a man teaching a trick to solve a simple multiplication ...

THESE tables aim at popularising logarithms. Like other four-figure tables they give the logarithms of numbers from 1000 to 9999. While the ordinary tables give these in one opening of two pages by ...