Incorrect use of Excel's NPV function is a common source of spreadsheet errors. We show several pitfalls and ways to avoid them.
Solver Max provides a collection of optimization model examples in Excel (using the Solver and OpenSolver add-ins) and Python.
Connexion is a collection of the most useful and interesting spreadsheet-related articles from the web.
Only a quarter of survey participants were satisfied with their spreadsheet testing. Their techniques are largely manual and lack formalism.
Every study that has looked for errors has found them in considerable numbers. Spreadsheeting's childhood is over.
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.
Good spreadsheets are essential for informing decision making. But most spreadsheets are not good. We help you make better spreadsheets.
We can help you make better spreadsheets:
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