**Date of postage.**- Thursday, January 31, 2008.
**Normal date for submission.**- Thursday, February 14, 2008.
**Due format.**- The assignment can be returned to the instructor by email in a form of a postscript, PDF or text file. Alternatively, a printed version can be delivered to his mail box in the Computer Science Department or given to him in class.
**Collaboration.**- You are expected to do this assignment
on your own without assistance from anyone else in the class.
However, you can use the literature, and in particular
the book
*Modern Computer Algebra*and the references therein. **Marking.**- This assignment will be marked out of 40. Each of the Exercises 1 and 2 is worth 12 points. Each of the Exercises 3 and 4 is worth 8 points.

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2008-03-18