Anna Cox

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

The twenty principles for good spreadsheet practice aims to reduce the amount of time wasted and the number of errors.

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

"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.

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

95% of all spreadsheets contain errors. So, it is almost certain that your spreadsheets are wrong.

Good spreadsheets are essential for informing decision making. But most spreadsheets are not good. We help you make better spreadsheets.

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