Integral
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Upper- and Lower Sums of a Function, 
Download - visualisation of the backgrounds of Riemann's Integral, by Markus Hohenwarter
- Left, Right and Midpoint Sums of a Function, Download - visualisation of the backgrounds of Riemann's Integral, found by Terry Gastauer & adapted by Linda Fahlberg-Stojanovska User:LFS
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Visual Display of Simpson's Rule Draws parabolas and shades each area under the parabolas to demonstrate Simpson's approximation rule for Integration, by Eric Funke
- A Demonstration of the Riemann Sum Draws rectangles based on left, mid, right, upper, lower, and random sample points. Compares Riemann sum approximation with the "true" value of the integral. By Marc Renault
- Solids of Rotation Sketches a 3D rotation of curves over a horizontal line, by Eric Funke
- Sliding for Area Grab and slide the lines to approximate the area under the curve. The order of the lines doesn't matter. By David Sankey
- 3D Rectangles and Circles Watch the rectangles and circles pop out of the graph! Grab the Red dashed lines to change a and b, move the sliders and see what happens! The height only applies to the rectangles. By David Sankey
- Riemann Animations Left hand, right hand and trapeziods, and animate everything in between! How could you find the midpoints? Simply grab the red dashed lines to change a and b. By David Sankey
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