calculus of differences meaning in Hindi

Examples

1. Until 1910, however, he continued to lecture in the calculus of differences.
2. A couple examples : the 1911 article on Condensation of Gases, Geometrical Continuity, or Calculus of Differences.
3. Later he lectured alternately on " introduction to analysis ", probability theory ( succeeding Chebyshev, who had left the university in 1882 ) and the calculus of differences.