https://doi.org/10.5951/teacchilmath.22.1.0020 • https://www.jstor.org/stable/10.5951/teacchilmath.22.1.0020 Copy URL Cajori, Florian. 1928, 1929. History of ...

Everyone agreed on the first step: Solve inside the parentheses, for 2+2=4. But after that, people split down two paths. Some multiplied first, while others divided, leading to different answers—1 and ...

Ever wondered why your Excel formulas sometimes produce unexpected results? It might be due to the order in which Excel performs calculations. This order is defined by the acronym PEMDAS. If you're ...

The confusion (likely intentional) boiled down to a discrepancy between the math rules used in grade school and in high school. By Steven Strogatz Recently I wrote about a math equation that had ...