Although Ito first proposed his theory, now known as Ito's stochastic analysis or Ito's stochastic calculus, about fifty years ago, its value in both pure and applied mathematics is becoming greater and greater.
Kahit na Ito unang iminungkahi ng kanyang teorya, na ngayon kilala bilang Ito's stochastic pagtatasa o Ito ang stochastic calculus, tungkol sa pipti years ago, ang halaga nito sa parehong purong matematika at inilapat ay nagiging mas malaki at mas malaki.