Adding larger numbers in your head is not always easy. If you need to use pen and paper, then the column method is a good way to add. It involves writing one number beneath the other, so that the ...

Indian teenager Aaryan Shukla set six world records in mental calculations in a single day, attributing his success to daily practice and Sahaja Yoga meditation. Notable achievements include the ...

The iPhone calculator is great for crunching numbers in a pinch, but you can also use it to have some fun with your friends and family. Here are some cool calculator tricks you can use to find someone ...