Build flexible Excel functions that automatically handle blanks, defaults, and overrides without messy nested IFs.

Prevent broken formulas using tables, validation rules, separate worksheets, named variables, and the power of LAMBDA.

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 ...

If Excel is not using threads efficiently, calculations may take a long time to complete. Learn how to speed up calculating ...

Steven Nickolas is a writer and has 10+ years of experience working as a consultant to retail and institutional investors. Charlene Rhinehart is a CPA , CFE, chair of an Illinois CPA Society committee ...

Explore top project portfolio management software to improve reporting, standardize processes, and gain visibility across multiple projects. Monitoring multiple projects while trying to enforce ...