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Spreadsheets have errors like dogs have fleas. Nine out of every ten spreadsheets suffer some error, and consequences can be severe.
The twenty principles for good spreadsheet practice aims to reduce the amount of time wasted and the number of errors.
Research concludes unanimously that spreadsheet errors are both common and non-trivial. We must seek ways to reduce spreadsheet errors.
Spreadsheet errors are reduced by using good design. Our students do three assignments to acquire good spreadsheet design skills.
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.
60% of large companies feel 'Spreadsheet Hell' describes their reliance on spreadsheets either completely or fairly well.
95% of all spreadsheets contain errors. So, it is almost certain that your spreadsheets are wrong.
We can help you make better spreadsheets:
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