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Riemann Sums Approximation

Type the following into Input Field:
  • f(x) = <expression of your choice>
  • a = 0
  • b = 4
  • Area = Integral[f,a,b]
This will give you the actual area under the f(x) between a and b. Type the following into the Input field:
  • n=10
  • UpperSum=UpperSum[f,a,b,n]
  • LowerSum=LowerSum[f,a,b,n]
  • Adjust the colors of Upper & LowerSum to be different