Solver Max provides a collection of optimization model examples in Excel (using the Solver and OpenSolver add-ins) and Python.
Errors in the data, formulas, or manipulation of spreadsheets could be costly, even devastating.
The cascading structure of typical spreadsheet formulae means that just about every spreadsheet is almost certainly wrong.
"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.
See our bibliography of spreadsheet best practice, risk management, errors and testing, and methods for improving spreadsheets.
We are conscious of very few of our errors. When people are confronted with their actual error rates, they are typically shocked.
Only a quarter of survey participants were satisfied with their spreadsheet testing. Their techniques are largely manual and lack formalism.
The twenty principles for good spreadsheet practice aims to reduce the amount of time wasted and the number of errors.
We can help you make better spreadsheets:
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