The study of graph colouring has long been a central topic in discrete mathematics, with a prominent focus on optimising the assignment of labels or colours to vertices such that adjacent vertices are ...

Margot, a zoo veterinary technician writes, "In reading Charles Seife’s fabulous book Zero, he presents a graph of complex numbers which plot a changing exponent for the basic formula (X+iY)n in which ...

In this video playlist you will learn everything you need to know with complex and imaginary numbers. Heavy snow warning as up to 30 inches to strike: 'Stay indoors' After 93 years and a 25-hour ...