Incorrect use of Excel's NPV function is a common source of spreadsheet errors. We show several pitfalls and ways to avoid them.
"Oh My God" my formulas are not working! This article covers most of the reasons for Excel formulas not working. And how to fix them.
Our spreadsheet methodology has criteria for designing, building, and validating spreadsheets to ensure that they work correctly.
The cascading structure of typical spreadsheet formulae means that just about every spreadsheet is almost certainly wrong.
Do you document your spreadsheets? We use the FizzBuzz word game to illustrate the importance of documenting your spreadsheets.
Spreadsheet audit and review procedures are an essential part of almost all City of London financial transactions.
Solver Max provides a collection of optimization model examples in Excel (using the Solver and OpenSolver add-ins) and Python.
See our bibliography of spreadsheet best practice, risk management, errors and testing, and methods for improving spreadsheets.
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