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:{{main|Riemann integral}}

:{{main|Riemann integral}}

<br />Another major method, known as [[Simpson's rule]] uses the Riemann integral. Instead of using linear estimations, Simpson's rule allows for the use of parabolas or other higher order expressions to estimate integrals.

<br />Another major method, known as [[Simpson's rule]] uses the Riemann integral. Instead of using linear estimations, Simpson's rule allows for the use of [[parabola]]s or other higher order expressions to estimate integrals.

:{{main|Simpson's rule}}

:{{main|Simpson's rule}}