Spreadsheets can be considered to be the world's most successful end-user programming language. Spreadsheet formulas are Turing complete.
Incorrect use of Excel's NPV function is a common source of spreadsheet errors. We show several pitfalls and ways to avoid them.
"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.
95% of all spreadsheets contain errors. So, it is almost certain that your spreadsheets are wrong.
Creating a slow spreadsheet is easy. Creating an efficient spreadsheet requires more thought and application of specific techniques.
See our bibliography of spreadsheet best practice, risk management, errors and testing, and methods for improving spreadsheets.
We are conscious of very few of our errors. When people are confronted with their actual error rates, they are typically shocked.
Good spreadsheets are essential for informing decision making. But most spreadsheets are not good. We help you make better spreadsheets.
We can help you make better spreadsheets:
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