Errors in the data, formulas, or manipulation of spreadsheets could be costly, even devastating.
The twenty principles for good spreadsheet practice aims to reduce the amount of time wasted and the number of errors.
Our spreadsheet methodology has criteria for designing, building, and validating spreadsheets to ensure that they work correctly.
95% of all spreadsheets contain errors. So, it is almost certain that your spreadsheets are wrong.
Overconfidence is one of the main causes of spreadsheet errors. Being informed about overconfidence leads to more accurate spreadsheets.
We are conscious of very few of our errors. When people are confronted with their actual error rates, they are typically shocked.
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.
We can help you make better spreadsheets:
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