Math 2.0 Day celebrates the joy of numbers and problem-solving. Learn fun maths tricks, quick calculation hacks and mind games that will impress your friends.

Many tricks can make convincing arguments that appear to prove obvious fallacies. Proving that 1 = 0 or 1 = 2 is very common, and the “proofs” come in various forms. There is as much fun in detecting ...

"Layaway: You brought your purchase to the counter, they wrapped it with your contact info attached, then put it on a shelf ...

Last time, I talked about preparing documents for the settlement. As the documents are gathered, the importance of checking the figures in the "settlement statement" increases as the settlement date ...

Math difficulty is still not well understood. But a systems approach may lead to advances in diagnosis and treatment.

The Apple phone in your hand is incredibly powerful. Unlock its full potential with these next-level tweaks.

It's flexible enough to realize that an "x" and a "*" can both be used for multiplication. It can even handle operations such as 9^2 (9 squared, which equals 81) or 9% 100 (9, which is 9% of 100).