In spite of their name, “imaginary” numbers are as real as any other numbers, especially when it comes to hunting for lost treasure. For our first Insights puzzle of 2019, let’s go on a treasure hunt.

All numbers are imaginary (even "zero" was contentious once). Introducing the square root(s) of minus one is convenient because (i) all n-degree polynomials with real coefficients then have n roots, ...

Learn how to find the square root of a number. To find the square root of a number, we identify whether that number which we want to find its square root is a perfect square. This is done by ...

Have you ever sat in a math classroom and wondered, “When will I ever use this?” You might have asked yourself this question when you first encountered “imaginary” numbers, and with good reason: What ...

Description: 👉 Learn how to find the square root of a number. To find the square root of a number, we identify whether that number which we want to find its square root is a perfect square. This is ...

Young maths whizz from Iran uses simple equations to paint stunning images that bizarrely look like marine objects, and makes a fractal Africa Hamid Naderi Yeganeh, a 24-year-old maths student at the ...

To a nonmathematician, having the letter “i” represent a number that does not quite exist and is “imaginary” can be hard to wrap your head around. If you open your mind to this way of thinking, ...

The square root of a number N is a number which, when squared (multiplied by itself), results in N. How did the ancient Greeks find square roots? Their method is nowadays called a ‘Greek ladder’, ...