**Date of postage.**- Thursday, February 7, 2008.
**Normal date for submission.**- Thursday, February 21, 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 2 and 3 is worth 15 points. Exercise 1 is worth 10 points.

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2008-02-07