Solver Max provides a collection of optimization model examples in Excel (using the Solver and OpenSolver add-ins) and Python.
Only a quarter of survey participants were satisfied with their spreadsheet testing. Their techniques are largely manual and lack formalism.
Our spreadsheet methodology has criteria for designing, building, and validating spreadsheets to ensure that they work correctly.
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.
Incorrect use of Excel's NPV function is a common source of spreadsheet errors. We show several pitfalls and ways to avoid them.
Creating a slow spreadsheet is easy. Creating an efficient spreadsheet requires more thought and application of specific techniques.
Connexion is a collection of the most useful and interesting spreadsheet-related articles from the web.
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