Our spreadsheet methodology has criteria for designing, building, and validating spreadsheets to ensure that they work correctly.
Incorrect use of Excel's NPV function is a common source of spreadsheet errors. We show several pitfalls and ways to avoid them.
Only a quarter of survey participants were satisfied with their spreadsheet testing. Their techniques are largely manual and lack formalism.
The twenty principles for good spreadsheet practice aims to reduce the amount of time wasted and the number of errors.
Spreadsheets have errors like dogs have fleas. Nine out of every ten spreadsheets suffer some error, and consequences can be severe.
Once information is loaded into a spreadsheet, it acquires properties that it may not deserve – a process called reification.
This early spreadsheet, a Babylonian clay tablet c.1800 BC, contains several errors. How many errors do your spreadsheets have?
Overconfidence is one of the main causes of spreadsheet errors. Being informed about overconfidence leads to more accurate spreadsheets.
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