We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Andrea Barnes Andrea Barnes is a writer covering large cleaning appliances.

Learn to calculate fixed asset depreciation in Excel using methods like straight-line, sum of the years' digits, and more for accurate financial analysis.

Master R-Squared calculation in Excel. Get formula tips, expert advice, and avoid errors for precise financial analysis.

Mike De Socio is a CNET contributor who writes about energy, personal finance, electric vehicles and climate change. He's also the author of the nonfiction book, "Morally Straight: How the Fight for ...