Irene Cooperstein

Essential reading

The cascading structure of typical spreadsheet formulae means that just about every spreadsheet is almost certainly wrong.
Every study that has looked for errors has found them in considerable numbers. Spreadsheeting's childhood is over.
The twenty principles for good spreadsheet practice aims to reduce the amount of time wasted and the number of errors.
This article walks you through different methods and built-in tools that can be used to audit and debug Excel spreadsheets.
A poorly documented spreadsheet erodes effective use. Our workshops help students develop good documentation habits and skills.
"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.
Spreadsheet errors are reduced by using good design. Our students do three assignments to acquire good spreadsheet design skills.
Spreadsheet audit and review procedures are an essential part of almost all City of London financial transactions.