Richard Evans

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

Errors in the data, formulas, or manipulation of spreadsheets could be costly, even devastating.

A poorly documented spreadsheet erodes effective use. Our workshops help students develop good documentation habits and skills.

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

See our bibliography of spreadsheet best practice, risk management, errors and testing, and methods for improving spreadsheets.

The cascading structure of typical spreadsheet formulae means that just about every spreadsheet is almost certainly wrong.

"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.

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