Jiaxin Zhu

Only a quarter of survey participants were satisfied with their spreadsheet testing. Their techniques are largely manual and lack formalism.

95% of all spreadsheets contain errors. So, it is almost certain that your spreadsheets are wrong.

Good spreadsheets are essential for informing decision making. But most spreadsheets are not good. We help you make better spreadsheets.

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.

Connexion is a collection of the most useful and interesting spreadsheet-related articles from the web.

Every study that has looked for errors has found them in considerable numbers. Spreadsheeting's childhood is over.

Once information is loaded into a spreadsheet, it acquires properties that it may not deserve – a process called reification.