#Calculation

Author: Emily Conover / Source: Science News Multiplying 2 x 2 is easy. But multiplying two numbers with more than a billion digits each — that takes some serious computation. The multiplication technique taught in grade school may be simple, but for really big numbers, it’s too slow to be

Author: Alex Edwards / Source: How-To Geek A weighted average is one that takes into account the importance, or weight, of each value. This article will show you how to use Excel’s SUMPRODUCT and SUM functions individually and how to combine the two to calculate a weighted average. What is a

Author: Emily Conover / Source: Science News A proton’s mass is more just than the sum of its parts. And now scientists know just what accounts for the subatomic particle’s heft. Protons are made up of even smaller particles called quarks, so you might expect that simply adding up the quarks’