There are two ways to calculate a conditional average in Excel, both involve some logic and some special functions. Excel’s SUMIF() and COUNTIF() are two of my favorite summarizing functions and we’ve ...

I have an Excel worksheet where I calculate 3D print jobs - time, filament used, cost, etc. As jobs are completed and paid for, my current practice is to use a strikethrough on that line to show that ...

Excel is the best piece of software ever made. We've talked a lot about basic formulas and advanced tricks that will make you way better at the program, but we've been remiss and forgot about our ...