EntityQ5958543· pop 29· linked from 161 articleshyperreal numberSign in to saveelement of a nonstandard model of the reals, which can be infinite or infinitesimalConnectionsultraproductEntityGottfried Wilhelm LeibnizEntityreal numberEntityAugustin-Louis CauchyEntityArchimedean propertyEntityextended real number lineEntitysuperreal numberEntityelementary equivalenceEntityThe AnalystEntitystandard part functionEntitydefinable real numberEntitymathematicsEntityIsaac NewtonPersonArchimedesEntitynumberEntityalgebraEntityLeonhard EulerEntityInternational Standard Book NumberEntitynatural numberEntitycomplex numberEntityCategoriesField theoryInfinityMathematical analysisMathematics of infinitesimalsNonstandard analysisNumbersReal closed field