Karl Broman

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

Spreadsheet audit and review procedures are an essential part of almost all City of London financial transactions.

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

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

Connexion is a collection of the most useful and interesting spreadsheet-related articles from the web.

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

Once information is loaded into a spreadsheet, it acquires properties that it may not deserve – a process called reification.