E90E50fx

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

"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.

This article walks you through different methods and built-in tools that can be used to audit and debug Excel spreadsheets.

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

Our spreadsheet methodology has criteria for designing, building, and validating spreadsheets to ensure that they work correctly.

Spreadsheet audit and review procedures are an essential part of almost all City of London financial transactions.

See our bibliography of spreadsheet best practice, risk management, errors and testing, and methods for improving spreadsheets.

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