Spreadsheets have errors like dogs have fleas. Nine out of every ten spreadsheets suffer some error, and consequences can be severe.
95% of all spreadsheets contain errors. So, it is almost certain that your spreadsheets are wrong.
Only a quarter of survey participants were satisfied with their spreadsheet testing. Their techniques are largely manual and lack formalism.
We are conscious of very few of our errors. When people are confronted with their actual error rates, they are typically shocked.
Solver Max provides a collection of optimization model examples in Excel (using the Solver and OpenSolver add-ins) and Python.
Our spreadsheet methodology has criteria for designing, building, and validating spreadsheets to ensure that they work correctly.
Overconfidence is one of the main causes of spreadsheet errors. Being informed about overconfidence leads to more accurate spreadsheets.
Once information is loaded into a spreadsheet, it acquires properties that it may not deserve – a process called reification.
We can help you make better spreadsheets:
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