95% of all spreadsheets contain errors. So, it is almost certain that your spreadsheets are wrong.
The cascading structure of typical spreadsheet formulae means that just about every spreadsheet is almost certainly wrong.
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.
Spreadsheet errors are reduced by using good design. Our students do three assignments to acquire good spreadsheet design skills.
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.
Do you document your spreadsheets? We use the FizzBuzz word game to illustrate the importance of documenting your spreadsheets.
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