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

Switch from manual entries to automated generators that keep your spreadsheets clean, consistent, and error-free.

Calculating sales tax on prices is something you don't have to worry about if you use Excel. You can add a formula to the spreadsheet you use for invoices, bills of sale or quotes, and that's the end ...

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

Eric's career includes extensive work in both public and corporate accounting with responsibilities such as preparing and reviewing federal, state, and local tax filings; supporting multinational ...