60% of large companies feel 'Spreadsheet Hell' describes their reliance on spreadsheets either completely or fairly well.
The cascading structure of typical spreadsheet formulae means that just about every spreadsheet is almost certainly wrong.
Overconfidence is one of the main causes of spreadsheet errors. Being informed about overconfidence leads to more accurate spreadsheets.
See our bibliography of spreadsheet best practice, risk management, errors and testing, and methods for improving spreadsheets.
Solver Max provides a collection of optimization model examples in Excel (using the Solver and OpenSolver add-ins) and Python.
95% of all spreadsheets contain errors. So, it is almost certain that your spreadsheets are wrong.
Spreadsheets can be considered to be the world's most successful end-user programming language. Spreadsheet formulas are Turing complete.
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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