Gregg Rothermel

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Essential reading

Spreadsheet errors are reduced by using good design. Our students do three assignments to acquire good spreadsheet design skills.
Solver Max provides a collection of optimization model examples in Excel (using the Solver and OpenSolver add-ins) and Python.
Spreadsheet audit and review procedures are an essential part of almost all City of London financial transactions.
This article walks you through different methods and built-in tools that can be used to audit and debug Excel spreadsheets.
The cascading structure of typical spreadsheet formulae means that just about every spreadsheet is almost certainly wrong.
Once information is loaded into a spreadsheet, it acquires properties that it may not deserve – a process called reification.
Only a quarter of survey participants were satisfied with their spreadsheet testing. Their techniques are largely manual and lack formalism.
Our spreadsheet methodology has criteria for designing, building, and validating spreadsheets to ensure that they work correctly.