If no pixels are visible, it’s a vector graphic. In addition, vectorized files often have the file extension .svg, .eps, or .ai. Comparison of image (left, pixels) and vector graphic (right ...

Fundamental problems about multiplication — about, say, how numbers factor into primes — suddenly become much deeper and more challenging as soon as addition enters the picture. One of math’s biggest ...

Math majors study algebra, calculus, geometry and the different equations needed to solve mathematical problems. They also learn how to think and apply that foundation to an array of larger ...