Kenneth R. Fleischmann

"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.

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

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

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

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

Every study that has looked for errors has found them in considerable numbers. Spreadsheeting's childhood is over.

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