Brian Foley

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

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

"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.

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

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

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

Spreadsheet errors are reduced by using good design. Our students do three assignments to acquire good spreadsheet design skills.

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