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.
Creating a slow spreadsheet is easy. Creating an efficient spreadsheet requires more thought and application of specific techniques.
Solver Max provides a collection of optimization model examples in Excel (using the Solver and OpenSolver add-ins) and Python.
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.
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.
We can help you make better spreadsheets:
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