Spreadsheets can be considered to be the world's most successful end-user programming language. Spreadsheet formulas are Turing complete.
95% of all spreadsheets contain errors. So, it is almost certain that your spreadsheets are wrong.
Solver Max provides a collection of optimization model examples in Excel (using the Solver and OpenSolver add-ins) and Python.
Incorrect use of Excel's NPV function is a common source of spreadsheet errors. We show several pitfalls and ways to avoid them.
The cascading structure of typical spreadsheet formulae means that just about every spreadsheet is almost certainly wrong.
See our bibliography of spreadsheet best practice, risk management, errors and testing, and methods for improving spreadsheets.
60% of large companies feel 'Spreadsheet Hell' describes their reliance on spreadsheets either completely or fairly well.
Creating a slow spreadsheet is easy. Creating an efficient spreadsheet requires more thought and application of specific techniques.
We can help you make better spreadsheets:
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