Karin Rohsman

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

Good spreadsheets are essential for informing decision making. But most spreadsheets are not good. We help you make better 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 audit and review procedures are an essential part of almost all City of London financial transactions.

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

Incorrect use of Excel's NPV function is a common source of spreadsheet errors. We show several pitfalls and ways to avoid them.

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