Errors in the data, formulas, or manipulation of spreadsheets could be costly, even devastating.
Solver Max provides a collection of optimization model examples in Excel (using the Solver and OpenSolver add-ins) and Python.
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.
Do you document your spreadsheets? We use the FizzBuzz word game to illustrate the importance of documenting your spreadsheets.
Incorrect use of Excel's NPV function is a common source of spreadsheet errors. We show several pitfalls and ways to avoid them.
A poorly documented spreadsheet erodes effective use. Our workshops help students develop good documentation habits and skills.
This early spreadsheet, a Babylonian clay tablet c.1800 BC, contains several errors. How many errors do your spreadsheets have?
We can help you make better spreadsheets: