95% of all spreadsheets contain errors. So, it is almost certain that your spreadsheets are wrong.
Our spreadsheet methodology has criteria for designing, building, and validating spreadsheets to ensure that they work correctly.
This article walks you through different methods and built-in tools that can be used to audit and debug Excel spreadsheets.
Spreadsheets can be considered to be the world's most successful end-user programming language. Spreadsheet formulas are Turing complete.
Only a quarter of survey participants were satisfied with their spreadsheet testing. Their techniques are largely manual and lack formalism.
"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.
The twenty principles for good spreadsheet practice aims to reduce the amount of time wasted and the number of errors.
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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![10 Reasons for Excel formulas not working [and how to fix them]](/images/essential/tools.jpg "10 Reasons for Excel formulas not working [and how to fix them]")
