9/23/2009 2st Week of Fall 2009

To do:
1. fix + -
2. 0*x in expression, then remove all that part
3. maxima conflict with answers output
4. switch control for advanced features

9/16/2009 1st Week of Fall 2009

To do:

1. Review stuffs from last summer.

2. Rewrite division part.
(Solution: Bug found! Added in checking if they are not number, accept one char before / )

3.

2009 Fall semester starts

Great news that this project is now in use for generating Pre-Calculus problem for new freshmen.
The goal of this new semester is to provide all quizzes for Calculus I & II courses.