Scientific American presents Math Dude by Quick & Dirty Tips. Scientific American and Quick & Dirty Tips are both Macmillan companies. Long time math fans may remember our first foray into the world ...

Excel percentage formulas can get you through problems large and small every day—from determining sales tax (and tips) to calculating increases and decreases. We’ll walk through several examples below ...

Well, for most people, it's the concept of "percentage". Finding percentages comes to use at a myriad of life events. Visit your favorite attire store, and you'll be required to calculate the ...

Do you think most middle-school students would rather do their math homework or take out the trash? What if the choice was between those math equations and eating broccoli? While you’re puzzling over ...