| Name | Description | Type | Package | Framework |
| DuplicatedAbscissae | This exception is thrown when a function has two same x-abscissae, hence ill-defined. | Class | com.numericalmethod.suanshu.analysis.function.tuple | SuanShu |
| OrderedPairs | Cartesian products and binary relations (and hence the ubiquitous functions) are defined in termsSee Also:Wikipedia: Ordered pair | Interface | com.numericalmethod.suanshu.analysis.function.tuple | SuanShu |
| Pair | An ordered pair (x,y) is a pair of mathematical objects. | Class | com.numericalmethod.suanshu.analysis.function.tuple | SuanShu |
| PairComparatorByAbscissaFirst | Class | com.numericalmethod.suanshu.analysis.function.tuple | SuanShu | |
| PairComparatorByAbscissaOnly | Class | com.numericalmethod.suanshu.analysis.function.tuple | SuanShu | |
| PartialFunction | Class | com.numericalmethod.suanshu.analysis.function.tuple | SuanShu | |
| SortedOrderedPairs | The ordered pairs are first sorted by abscissa, then by ordinate. | Class | com.numericalmethod.suanshu.analysis.function.tuple | SuanShu |
| Triple | A triple is a tuple of length three. | Class | com.numericalmethod.suanshu.analysis.function.tuple | SuanShu |