Somewhere around middle school, you learned about squaring numbers and the inverse, finding the square root of a number, but a little reminder can't hurt. You square a number when you multiply it by ...

Learning to calculate square roots quickly can make a huge difference in your maths exams. Whether you're doing algebra, geometry, or other topics, being fast and accurate with square roots gives you ...

After seeing an exhibit of an old relay-based computer as a kid, [Simon] was inspired to build a simple two-relay latching circuit. Since then, he’s been fascinated by how relays can function to do ...

A new DNA computer calculates square roots of perfect squares up to 900. Like quantum computers, DNA computers are an exciting frontier of post-silicon computing. Where previous examples were up to 4 ...

Quick: What's 19 2...without your calculator? (361.) Squaring complex, two-digit numbers in your head isn't that difficult if you know a simple trick, according to the Secrets of Mental Math author ...

\({9}\) is a square number. \(3 \times 3 = 9\) \(3 \times 3\) can also be written as \(3^2\). This is pronounced "\({3}\) squared". \({8}\) is a cube number. The ...

Mastering quick square root calculations boosts maths exam performance. Speed and accuracy provide a significant advantage in algebra and geometry. Memorising key square roots and using mental math ...