The cascading structure of typical spreadsheet formulae means that just about every spreadsheet is almost certainly wrong.
We are conscious of very few of our errors. When people are confronted with their actual error rates, they are typically shocked.
Spreadsheets have errors like dogs have fleas. Nine out of every ten spreadsheets suffer some error, and consequences can be severe.
Good spreadsheets are essential for informing decision making. But most spreadsheets are not good. We help you make better spreadsheets.
The twenty principles for good spreadsheet practice aims to reduce the amount of time wasted and the number of errors.
Incorrect use of Excel's NPV function is a common source of spreadsheet errors. We show several pitfalls and ways to avoid them.
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.
We can help you make better spreadsheets:
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