Spreadsheets can be considered to be the world's most successful end-user programming language. Spreadsheet formulas are Turing complete.
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.
"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.
95% of all spreadsheets contain errors. So, it is almost certain that your spreadsheets are wrong.
See our bibliography of spreadsheet best practice, risk management, errors and testing, and methods for improving spreadsheets.
Good spreadsheets are essential for informing decision making. But most spreadsheets are not good. We help you make better spreadsheets.
This early spreadsheet, a Babylonian clay tablet c.1800 BC, contains several errors. How many errors do your spreadsheets have?
We can help you make better spreadsheets:
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