InrecoLAN FuzzyMath is a fuzzy logic add-in for OpenOffice.org Calc.
InrecoLAN FuzzyMath allows to use uncertain or approximate values in OpenOffice.org Calc. It means with InrecoLAN FuzzyMath you can perform ordinary arithmetic operations and use ordinary mathematical and financial functions with uncertain values as if they are standard, or crisp, numbers.
The component is spread under GPL license. See License chapter of the site for details