Andrej Bregar

Creating a slow spreadsheet is easy. Creating an efficient spreadsheet requires more thought and application of specific techniques.

This early spreadsheet, a Babylonian clay tablet c.1800 BC, contains several errors. How many errors do your spreadsheets have?

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

Overconfidence is one of the main causes of spreadsheet errors. Being informed about overconfidence leads to more accurate spreadsheets.

"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.

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

Research concludes unanimously that spreadsheet errors are both common and non-trivial. We must seek ways to reduce spreadsheet errors.

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