Continuous v. Discrete Calculus

Ordinary (continuous) calculus Discrete calculus
Functions R-->R Sequences N-->R or N-->Z or ...
Derivatives Differences
Derivative rules Rules for differences
Derivative formulas
for powers, etc.
Difference formulas
for factorial powers, etc.
Definite integrals Definite sums
Antiderivatives Antidifferences
Fundamental Theorem of Calculus Telescoping Sum Formula
Integral formulas Formulas for sums
Taylor polynomials Interpolating polynomials
Taylor series Newton's advancing difference formula
Differential equations Difference equations/recurrence relations