Math Trick: Find Any Square Root in 3 Seconds Flat

December 11, 2015 | Johannes Van Zijl

Numbers and equations spiralling to infinity

Don't you wish you'd known this trick in high school?

According to Saint Louis University, the ancient Egyptians developed the square root function in mathematics, which they referred to as the kenbet. The Egyptians implemented and used the kenbet in building the great pyramids, and was most likely used in other fields of architecture.

SEE ALSO: Watch a Computer Made Out of Dominoes Do Basic Math

In mathematics today, the square root is frequently used, and for some of us, it might be a little difficult to work out a square root of a number without the use of a calculator.

This great video by Tecmath explains a little math trick to help you find the square root of a number very quickly, without using a calculator! You will definitely leave people amazed! 

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