1。 Continuity of function

2。 Equivalent infinitesimal substitution

3。 Theorem of "Monotone Bounded Sequence Must Have Limit"

4。 The product of a bounded function and an infinitesimal is still infinitesimal.

5。 Two important restrictions (sinx/x= 1, e)

6。 Convergence of series and finding the limit of series

7。 Robita's rule

8。 Definition of definite integral