Overconfidence is one of the main causes of spreadsheet errors. Being informed about overconfidence leads to more accurate spreadsheets.
Only a quarter of survey participants were satisfied with their spreadsheet testing. Their techniques are largely manual and lack formalism.
Connexion is a collection of the most useful and interesting spreadsheet-related articles from the web.
95% of all spreadsheets contain errors. So, it is almost certain that your spreadsheets are wrong.
Solver Max provides a collection of optimization model examples in Excel (using the Solver and OpenSolver add-ins) and Python.
This early spreadsheet, a Babylonian clay tablet c.1800 BC, contains several errors. How many errors do your spreadsheets have?
See our bibliography of spreadsheet best practice, risk management, errors and testing, and methods for improving spreadsheets.
Your spreadsheets may be disasters in the making. Strive for spreadsheets that are validated, reliable, and auditable.
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