Installing/loading mathematica packages

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To install and load Mathematica packages, first, write the package in the correct format and save it in the packages sub-directory for easy access. Alternatively, adjust the path in Mathematica using directory commands. Use the loading command, either << or "Needs," in your notebook to load the package. After loading, you can call the public functions defined in the package. Properly following these steps ensures successful package integration in Mathematica 7.
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How is this done? I have Mathematica 7, by the way.
 
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Hi. First you have to write the package in the correct form, then save it in the packages sub-directory so Mathematica can find it or maybe change the path in Mathematica with one of the directory commands. Then you need to use the command that loads the package in your notebook. That's either << or the "Needs" command. Then just call the functions that you made public in the package.
 

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