Примеры применения данной функции:
<<NumericalMath`NSeries` NSeries[Sin[х], {х, -2, 2}] Rationalize[Chop[%]] Rationalize[Chop[NSeries[Log[x], {x, 1, 5}, Radius -> 1/8]]] Rationalize[Chop[NSeries[Exp[x], {x, 0, 5}, WorkingPrecision -> 40, Radius -> 1/8]]] Rationalize[Chop[NSeries[Exp[x], {x, 0, 5}, Radius -> 4]]] Chop[NSeries[Zeta[s], {s, 1, 3}]]