The cascading structure of typical spreadsheet formulae means that just about every spreadsheet is almost certainly wrong.
95% of all spreadsheets contain errors. So, it is almost certain that your spreadsheets are wrong.
This article walks you through different methods and built-in tools that can be used to audit and debug Excel spreadsheets.
Solver Max provides a collection of optimization model examples in Excel (using the Solver and OpenSolver add-ins) and Python.
Errors in the data, formulas, or manipulation of spreadsheets could be costly, even devastating.
Good spreadsheets are essential for informing decision making. But most spreadsheets are not good. We help you make better spreadsheets.
See our bibliography of spreadsheet best practice, risk management, errors and testing, and methods for improving spreadsheets.
Our spreadsheet methodology has criteria for designing, building, and validating spreadsheets to ensure that they work correctly.
We can help you make better spreadsheets:
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