# Geometric Difference between a Finite Difference and a Differential

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This Demonstration gives an example of the difference between the finite difference and the differential of a function, using the function . The finite difference of a function is given by . The differential of a function is given by , where we define as the change in the independent variable .

Contributed by: Anping Zeng (Sichuan Chemical Technical College) (March 2011)

Open content licensed under CC BY-NC-SA