Text Box: Announcements:


Fall 2015 Math 221


Differential Equations

10:30-11:20, MWF
BESY 108

Office Hours:
9:30-10:10 MWF



Office: 318 Avery

Email: bdeng1@math.unl.edu

Phone: 472-7219 (No voice messages, please)

Turn Off All Wireless Electronic Devices Except For Sanctioned Calculators During Lectures, Quizzes, And Exams

Final Exam:

10:00 to 12:00 noon. Friday, December 18
BESY 108

(Picture IDs required)

Download: Topic for Final, Laplace Table

         Syllabus & Policy

         Your Grade



         Review Worksheet: Differentiation, Integration

          MathLab Assignments and Due Date

Lab1 Oct. 30, 2015

Lab2 Oct. 30, 2015

Lab3 Nov. 22, 2015

Lab4 Nov. 22, 2015

         Exams and Solution Keys (current semester)

         Sample Exams: Fall 03, Spring01, Fall00, Summer02. For a different textbook: Fall13, Fall11, Spring09, Spring08, Fall06, Spring 06, Fall 04, (another Final and its Solution Sheet 1 and Solution Sheet 2 . More Samples: 2003, Quizzes.)


         Supplemental Notes Phase Plane Method


         Sample Maple worksheets for directional fields, solving differential equations, and more. Worksheet1, Worksheet2, Worksheet3(Chaotic Attractor), Partial Differential Equations

         Sample Maple worksheets in a folder

TeX Sample File


Seminar Talk on Neuronal Model