We are conscious of very few of our errors. When people are confronted with their actual error rates, they are typically shocked.
Spreadsheet errors are reduced by using good design. Our students do three assignments to acquire good spreadsheet design skills.
Spreadsheets can be considered to be the world's most successful end-user programming language. Spreadsheet formulas are Turing complete.
See our bibliography of spreadsheet best practice, risk management, errors and testing, and methods for improving spreadsheets.
Solver Max provides a collection of optimization model examples in Excel (using the Solver and OpenSolver add-ins) and Python.
95% of all spreadsheets contain errors. So, it is almost certain that your spreadsheets are wrong.
Connexion is a collection of the most useful and interesting spreadsheet-related articles from the web.
Incorrect use of Excel's NPV function is a common source of spreadsheet errors. We show several pitfalls and ways to avoid them.
We can help you make better spreadsheets:
Contact us