Errors in the data, formulas, or manipulation of spreadsheets could be costly, even devastating.
This early spreadsheet, a Babylonian clay tablet c.1800 BC, contains several errors. How many errors do your spreadsheets have?
We are conscious of very few of our errors. When people are confronted with their actual error rates, they are typically shocked.
95% of all spreadsheets contain errors. So, it is almost certain that your spreadsheets are wrong.
Every study that has looked for errors has found them in considerable numbers. Spreadsheeting's childhood is over.
Spreadsheet errors are reduced by using good design. Our students do three assignments to acquire good spreadsheet design skills.
Once information is loaded into a spreadsheet, it acquires properties that it may not deserve – a process called reification.
Only a quarter of survey participants were satisfied with their spreadsheet testing. Their techniques are largely manual and lack formalism.
We can help you make better spreadsheets:
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