Delwyn Cooke

Once information is loaded into a spreadsheet, it acquires properties that it may not deserve – a process called reification.

Spreadsheets have errors like dogs have fleas. Nine out of every ten spreadsheets suffer some error, and consequences can be severe.

The twenty principles for good spreadsheet practice aims to reduce the amount of time wasted and the number of errors.

This early spreadsheet, a Babylonian clay tablet c.1800 BC, contains several errors. How many errors do your spreadsheets have?

Solver Max provides a collection of optimization model examples in Excel (using the Solver and OpenSolver add-ins) and Python.

Do you document your spreadsheets? We use the FizzBuzz word game to illustrate the importance of documenting your spreadsheets.

A poorly documented spreadsheet erodes effective use. Our workshops help students develop good documentation habits and skills.

Spreadsheet errors are reduced by using good design. Our students do three assignments to acquire good spreadsheet design skills.