If you cannot load the java applet try using Netscape 4.06 or higher or IE 4.0 or higher. A 200MHz or faster processor is recommended.
To calculate the area(counts) of the graph and get a zoom up plot of the graph in that area, enter two desired energies in the corresponding textfields. Press Submit to get the results. Press reset to resume the graph to its original status.The image in this page show an example of how this program works. The user typed in 8 for the first energy and 17 for the second. He pressed submit and the total area(counts) from 8 keV to 17 keV was calculated. The graph below shows the section of the spectrum from 8 keV to 17 keV.
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