Excel formulas are powerful, but they have their limits. I used to rely on complex nested formulas that take forever to build and are difficult to troubleshoot, but I have started leaning more heavily ...

Many use different formulas to calculate racial makeup, and it’s not obvious there’s a “right” way. By Aatish Bhatia Aatish Bhatia and Upshot colleagues have contacted over 90 selective colleges to ...