Pingjing Yang

Overconfidence is one of the main causes of spreadsheet errors. Being informed about overconfidence leads to more accurate spreadsheets.

Creating a slow spreadsheet is easy. Creating an efficient spreadsheet requires more thought and application of specific techniques.

A poorly documented spreadsheet erodes effective use. Our workshops help students develop good documentation habits and skills.

60% of large companies feel 'Spreadsheet Hell' describes their reliance on spreadsheets either completely or fairly well.

Our spreadsheet methodology has criteria for designing, building, and validating spreadsheets to ensure that they work correctly.

Do you document your spreadsheets? We use the FizzBuzz word game to illustrate the importance of documenting your spreadsheets.

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

"Oh My God" my formulas are not working! This article covers most of the reasons for Excel formulas not working. And how to fix them.