**Exam 1 - Friday, February 26, 1999.**- Chapter 1 - definitions, classification of equations, direction fields and Euler's method
- Chapter 2 - solution of first order equations: separable, and linear.
- Chapter 3 - tank and mixing applications, Newtonian mechanics, Numerical methods - Euler and Improved Euler's method
- Chapter 4 - 2nd order equations, definitions, theory - Wronskian, fundamental solution set; reduction of order; constructing solutions of constant coefficient, homogeneous eqns - all cases, nonhomogeneous eqns - undetermined coefficients and variation of parameters; systems of eqns - elimination, mixing problems.
- Chapter 5 - vibrations, resonance, numerical methods-Euler's method for systems only.
- Sample Exam 1s:
**( PDF? | PS? )** - Sample Exam 1f:
**( PDF? | PS? )**

**Exam 2 - Friday, April 09, 1999.**

Outline of Topics**(NEW)**- Chapter 7 - Laplace Transforms
- Chapter 8 - Series solutions
- 11am Section Only: Chapter 4 - system and tank problems (see also section 7.9)
- You are required to memorize the transforms in Tables 7.1 and 7.2 and the Laplace transforms of the unit step and Dirac delta functions. However, a short table of other transforms will be included with the exam.
- Omitted Material
- Section 7.6 - periodic functions and gamma function
- 12pm Section Only: Chapter 4 - system and tank problems (see also section 7.9)

**Most Recent Sample Exam 2 Fall 1998 (PDF?)****(NEW)****Recent Sample Exam 2 1997 (GIF?)****Sample Exam 2 (GIF?)**

**Final Exam 6-8pm on Thursday, May 6, 250 SES****(NEW)**

Web Source Backup: http://www.uic.edu/~hanson/math220/examinfo.html

Email Comments or Questions to the Math 220 Spring 1999 Instructors or Teaching Assistants:

11AM LECTURE:

barston@uic.edu

fernando@math.uic.edu

yitwah@math.uic.edu

**12PM LECTURE:
hanson@uic.edu
dkern@math.uic.edu
**