95% of all spreadsheets contain errors. So, it is almost certain that your spreadsheets are wrong.
Once information is loaded into a spreadsheet, it acquires properties that it may not deserve – a process called reification.
See our bibliography of spreadsheet best practice, risk management, errors and testing, and methods for improving spreadsheets.
Spreadsheets have errors like dogs have fleas. Nine out of every ten spreadsheets suffer some error, and consequences can be severe.
Every study that has looked for errors has found them in considerable numbers. Spreadsheeting's childhood is over.
Overconfidence is one of the main causes of spreadsheet errors. Being informed about overconfidence leads to more accurate spreadsheets.
Only a quarter of survey participants were satisfied with their spreadsheet testing. Their techniques are largely manual and lack formalism.
Your spreadsheets may be disasters in the making. Strive for spreadsheets that are validated, reliable, and auditable.
We can help you make better spreadsheets:
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