We are conscious of very few of our errors. When people are confronted with their actual error rates, they are typically shocked.
Solver Max provides a collection of optimization model examples in Excel (using the Solver and OpenSolver add-ins) and Python.
Incorrect use of Excel's NPV function is a common source of spreadsheet errors. We show several pitfalls and ways to avoid them.
Good spreadsheets are essential for informing decision making. But most spreadsheets are not good. We help you make better spreadsheets.
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.
Overconfidence is one of the main causes of spreadsheet errors. Being informed about overconfidence leads to more accurate spreadsheets.
See our bibliography of spreadsheet best practice, risk management, errors and testing, and methods for improving spreadsheets.
We can help you make better spreadsheets:
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