95% of all spreadsheets contain errors. So, it is almost certain that your spreadsheets are wrong.
This early spreadsheet, a Babylonian clay tablet c.1800 BC, contains several errors. How many errors do your spreadsheets have?
Spreadsheet audit and review procedures are an essential part of almost all City of London financial transactions.
Spreadsheets can be considered to be the world's most successful end-user programming language. Spreadsheet formulas are Turing complete.
Spreadsheet errors are reduced by using good design. Our students do three assignments to acquire good spreadsheet design skills.
Overconfidence is one of the main causes of spreadsheet errors. Being informed about overconfidence leads to more accurate spreadsheets.
See our bibliography of spreadsheet best practice, risk management, errors and testing, and methods for improving spreadsheets.
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