Spreadsheets have errors like dogs have fleas. Nine out of every ten spreadsheets suffer some error, and consequences can be severe.
Incorrect use of Excel's NPV function is a common source of spreadsheet errors. We show several pitfalls and ways to avoid them.
The cascading structure of typical spreadsheet formulae means that just about every spreadsheet is almost certainly wrong.
See our bibliography of spreadsheet best practice, risk management, errors and testing, and methods for improving spreadsheets.
A poorly documented spreadsheet erodes effective use. Our workshops help students develop good documentation habits and skills.
Solver Max provides a collection of optimization model examples in Excel (using the Solver and OpenSolver add-ins) and Python.
Spreadsheets can be considered to be the world's most successful end-user programming language. Spreadsheet formulas are Turing complete.
Errors in the data, formulas, or manipulation of spreadsheets could be costly, even devastating.
We can help you make better spreadsheets:
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