Nima Joharizadeh

Your spreadsheets may be disasters in the making. Strive for spreadsheets that are validated, reliable, and auditable.

This article walks you through different methods and built-in tools that can be used to audit and debug Excel spreadsheets.

Incorrect use of Excel's NPV function is a common source of spreadsheet errors. We show several pitfalls and ways to avoid them.

"Oh My God" my formulas are not working! This article covers most of the reasons for Excel formulas not working. And how to fix them.

Spreadsheets have errors like dogs have fleas. Nine out of every ten spreadsheets suffer some error, and consequences can be severe.

We are conscious of very few of our errors. When people are confronted with their actual error rates, they are typically shocked.

Our spreadsheet methodology has criteria for designing, building, and validating spreadsheets to ensure that they work correctly.

60% of large companies feel 'Spreadsheet Hell' describes their reliance on spreadsheets either completely or fairly well.