Each of the following Mathematica notebooks may be downloaded and opened on a computer that has Mathematica or the Mathematica Reader. After double-clicking the name, use "Save As" within the browser making sure that the name has the suffix ".nb" only; for example, DTL-Work.nb. If this does not work, follow the directions within the Mathematica text file that you opened.

DTL-Work

DTL-Project

Last revised on March 9, 2005