AGGREGATE was built to handle messy data from the start.

Daniel Jassy, CFA, is an Investopedia Academy instructor and the founder of SPYderCRusher Research. He contributes to Excel and Algorithmic Trading. David Kindness is a Certified Public Accountant ...

Excel isn't hard, just learn the right tricks early enough.

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