Remembering all of Excel's various formulas can be a pain, but ChatGPT is capable of producing them for you based on a simple request. Here's what you do.

The formula tells Excel to compute percentage markup and place it in the Percent Markup column. Copy the formula by clicking the black square in the lower right corner of cell C2 dragging down.

Scientific and mathematical formulas frequently use exponents and square roots, and you can create a function to compute the square, cube, or square root of a value by using the formula creator.