19 is only 1 away from 20, so you prefer to start by multiplying 20 times 5, which equals 100. Then we need to take away a squadron of 5, because there are actually only 19 squadrons, not 20. 100 take ...

NARRATOR: Yes, that is quite a hard sum. It might be easier if we separate the 17 into a 10 and a 7, and the 14 into a 10 and a 4. That gives us a 10, a 10, a 7 and a 4. Let's start by adding the ...

A simple finger trick for the 11 times table is helping secondary school students aged 12 to 16 improve mental arithmetic ...

The future of computing has arrived in a flash, literally. In A Nutshell Researchers created a computer that performs complex ...

Abstract: A wideband circularly-polarized (CP) cavity-backed slot antenna array using a simplified sub array is proposed in this paper. Two pairs of degenerate modes are excited in a single cavity, ...

In the heart of Del City, Oklahoma, there’s a treasure hunter’s paradise that’s been hiding in plain sight. Value Village Thrift Store isn’t just another secondhand shop – it’s a massive wonderland of ...