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previous -- view my teaching portfolio here

Instructions for downloading files

Elementary Differential Equations , Math 2255

Course Description (from the College):  MATH 2255 is a study of the basic concepts and methods of solving ordinary differential equations, first and second order, higher order linear equations, Laplace transform methods, series solutions, and numerical solutions of differential equations. Topics have applications to the physical sciences and engineering. MATH 255 meets general education requirements for the A.S. and A.A. degrees.  Prerequisite: Math 254/2153 with a grade of C or better.

*Files on this page are mostly in .docx format (though some are in .pdf). If you have difficulty downloading them, see instructions linked in the left margin.

Syllabus -- in Word format

Homework

Important Dates
Exam I  -- Monday, February 11th exam key/study guide key
Exam II  -- Monday, March 18th exam key/study guide key
Exam III -- Wednesday, April 17th exam key/study guide key
Final Exam -- Wednesday, May 8th at 6:00 p.m. exam key/supplemental study guide key/Laplace formula sheet

more detailed schedule in the syllabus

Email List

via Blackboard

Grade Calculator -- javascript online grade calculator

Announcements:

Office: DH 431
My CSCC email: bmccall2@cscc.edu
Office hours: I'll be in the calc tutoring lab 4-6 MTWR

Answer Keys

Quiz #1 -- key
Quiz #2 -- key
Quiz #3 -- key
Quiz #4 -- key
Quiz #5 -- key
Quiz #6 -- key
Quiz #7 -- key
Quiz #8 -- key
Quiz #9 -- key
Quiz #10 -- key
Quiz #11 -- key
Quiz #12 -- key
Quiz #13 -- key
Quiz #14 -- key
Quiz #15 -- key
Quiz #16 -- key

Homeworks to be Turned in

Homework #1
Homework #2
Homework #3
Homework #4
Homework #5
Homework #6
Homework #7
Homework #8

Suggested Homework

see syllabus

Handouts

Undetermined Coefficients (worksheet) -- key
Hyperbolic Trig Functions -- key
Undetermined Coefficients -- key
Characteristic Equations -- key
Spring Problems -- key
Bernoulli Equations -- key
Laplace Formulas
Homogeneous (First Order) Equations  -- key
Laplace Transforms  -- key
Tank/Concentration Problems -- key
Series Solutions -- key
Recognizing Types of Differential Equations -- key
Singular Points
Single Variable Differentiation Review - key
Single Variable Integration Review - key
Multiple Variable Differentiation Review - key
Multiple Variable Integration Review - key
Reduction of Order

Proofs

Links:

Math 285 - Spring 2012
Math 255 - Summer 2012
PDF Graph Paper
I Will Derive song
How to draw Greek
GraphCalc
Plotting Vector Fields
Direction Field Grapher
Complex Numbers in Polar Form
Free ODE Books