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Click on 'Home' then scroll down to get to information about the history of many of the programs on this site and to see which programs have been recently updated or added.

If you want to contact me for any reason, use the 'Contact' form or e-mail me at the address below. Please let me know if you see mistakes on this site.

Click on 'Programs' to find links to all of the programs that are on this site. Most of the programs are related to math, but you will also find several related to color, a couple related to perspective, a drawing program, and more. Try out the Alien Arithmetic program in the Arithmetic area to have fun thinking in a different base.

Click on 'SCORM' to learn about Shareable Content Object Reference Models, what they are, why they are useful, and how to make your own.

The 'About L2 page gives you information about how I got the nickname L2 and why I work on this site and the programs that this site contains. I also occassionaly update the page to let you know what kinds of things I am working on now or planning on working on soon.

Click here to find some of the static handouts and worksheets that I have created for the math classes that I teach at Lansing Community College.

Click here to see a history of most of the programs on this site and to subscribe to the RSS feed if you wish to receive notices when a program is improved or a new program is made.

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Directions: Enter two positive fractions less than or equal to two, by entering numbers in the numerators and denominators of the two provided fraction bars. Click submit. Drag pieces as desired. This is a tool that is useful for discussing addition, subtraction, and multiplication of fractions.

Last Update: March 28, 2009