 strain theory (physics)FormalizationsDifferentialsHyperreal numbersDual numbersSurreal numbersIndividual conceptsStandard part functionTransfer principleHyperintegerIncrement theoremMonadInternal setLevi-Civita fieldHyperfinite setLaw of continuityOverspillMicrocontinuityTranscendental law of homogeneityMathematiciansGottfried Wilhelm LeibnizAbraham RobinsonPierre de FermatAugustin-Louis CauchyLeonhard EulerTextbooksAnalyse des Infiniment PetitsElementary CalculusCours d'AnalysevteDifferential equationsClassificationOperationsDifferential operatorNotation for differentiationOrdinaryPartialDifferential-algebraicIntegro-differentialFractionalLinearNon-linearHolonomicAttributes of variablesDependent and independent variablesHomogeneousNonhomogeneousCoupledDecoupledOrderDegreeAutonomousExact differential equationOn jet bundlesRelation to processesDifference (discrete analogue)StochasticStochastic partialDelaySolutionsExistence/uniqu