Due: February 6, 2012 | Points: 30 |

For this homework, please put refinements for all your programs into one file called “refinements.txt” or “refinements.pdf”, and error journal entries for all your programs into one file called “errors.txt” or “errors.pdf”.

Submit this program in the Extra Credit 3 area of
SmartSite—*not* in the Homework 3 area.

**Extra Credit:** (*30 points*) Recall the formula for
the solutions to a quadratic equation *y* =
*ax*^{2} + *bx* + *c* is:

A PDF version is available here.

ECS 10, Basic Concepts of Computing Winter Quarter 2012 |