Java - Java

IRA Integrator

Integrator Applet to find right, left, and general Riemann sum as well as upper and lower sums (part of the Interactive Real Analysis project).

  • Click on Options to bring up a dialog window for options
    • For a definition of Riemann Sum, click here.
    • For a definition of upper and lower sum, click here.
    • For a definition of Riemann integral, click here.

Also check the general introduction to the Riemann integral as well as a discussion of various integration techniques. You may also want to learn more about the Lebesgue integral, a generalization of the Riemann integral.

This "mathlet" has been published in Journal of Online Mathematics and its Applications. Click here for the online reference.