I think I made a mistake somewhere." A confused user admitted, "I swear I was good at maths in school, but this one just ...

BODMAS—brackets, orders, division, multiplication, addition, subtraction—but it’s the same concept.) So armed with PEMDAS, I enlisted the help of Alvaro Lozano-Robledo, PhD, a professor of ...

So armed with PEMDAS, I enlisted the help of Alvaro Lozano-Robledo, PhD, a professor of mathematics at the University of Connecticut, who’s known for posting educational math content on his ...