The Homepage ofMath 251 Sections 3, 6, 9, and 11Fall Semester, 2012 
Instructor
Zachary S. Tseng Mailbox: 109 McAllister
Office Hours: Monday, Wednesday: 2:30  3:20 PM  
Quiz/Homework grader: Chelci Mannarino
cem5394@psu.edu
 
Class times and locations:
 
MATH 251.3 M WRF 03:35PM  04:25PM 323 HHD East 
MATH 251.6 M W F 01:25PM  02:15PM 008 Mueller Bldg R 01:25PM  02:15PM 108 Sackett Bldg 
MATH 251.9 M WRF 04:40PM  05:30PM 323 HHD East 
MATH 251.11 M WRF 12:20P  01:10P 018 Henderson Bldg 
ANNOUNCEMENTAnother PSA: The Penn State Learning offers free peer tutoring (walkin, no appointment is required). It is a great resource if you ever need help for the course but are unable to make my office hours. Check out their website for hours and locations: Penn State Learning  free oncampus peer tutoring 8272012: Assignment #1 will be given in class on Friday, August 31. It is due at the beginning of the class on Thursday, September 6.
The first 2 sets of lecture notes + a review (reprints of my transparencies):
Inclass worksheet set 1 The class Facebook group: for class and homework online "technical support" Assignment #2 will be given in class on Friday, September 7. It is due at the beginning of the class on Thursday, September 13. 952012: Assignment #3 will be given in class on Friday, September 14. It is due at the beginning of the class on Thursday, September 20. 9122012: Inclass worksheet set 2  the second set of the inclass worksheet, covering sections 3.1 through 4.2.
Lecture notes for Chapter 3: Assignment #4 will be given in class on Friday, September 21. It is due at the beginning of the class on Thursday, September 27. If you have a scheduling conflict for midterm exam 1 and need to arrange to take either the conflict exam (same day as the regular exam, but from 5:05 to 6:20pm), or the makeup exam (on Thursday, Oct 18, from 6:30 to 7:45pm), please come to see me before or after class. 9172012: Assignment #5 will be given in class on Friday, September 28. It is due at the beginning of the class on Thursday, October 4.
9272012: Assignment #6 (exam I review, you can start on it now): Due at the beginning of the class on Thursday, October 11. Do the following: Other recommended sample exams: Spring 2012, Fall 2011, Summer 2011, Spring 2011, Fall 2010, Spring 2009. 1012012: Chapter 4 notes: Higher Order Linear Equations 1032012: Midterm Exam I study guide
Notes, worksheet, and more, on Laplace Transforms (Chapter 6): 1042012: The Penn State Learning (the folks at 007 Sparks) will be holding a Math 251 exam review session, lead by student peer tutors, on Sunday, October 7, starting at 3:30pm in room 010 Sparks. 10112012: Assignment #8 will be given in class on Friday, October 19. It is due at the beginning of the class on Thursday, October 25. Assignment #9 will be given in class on Friday, October 26. It is due at the beginning of the class on Thursday, November 1. Here is an experimental howto guide of using the second translation theorem of Laplace transforms using examples with colorcoded parts. (It works better if you print it out in colors.) 10222012: Notes, worksheet, and a reference chart, on chapters 7 and 9, they cover the rest of the topics that are going to be on the second midterm exam:
Inclass worksheet set 4  covering systems of differential equations, and phase portraits (Chapters 7 and 9). Assignment #10 will be given in class on Friday, November 2. It is due at the beginning of the class on Thursday, November 8. 10242012: If you have a scheduling conflict with our second exam and need to arrange to take either the conflict exam (same day as the regular exam, but from 5:05 to 6:20pm), or the makeup exam (on Monday, November 26, from 6:30 to 7:45pm), please come to see me before or after class. The deadline for signing up for taking the conflict exam for the second midterm is Tuesday, November 6. Please be advised, however, in case you need to sign up for the makeup exam, that the makeup exam will be held AFTER the latedrop deadline (which is Friday, November 16, this might affect your decision regarding taking the makeup), and on the first day after the Thanksgiving break (in other words, if your travel schedule would prevent you from getting back in town immediately upon the conclusion of the Thanksgiving break, then you should NOT sign up to take the makeup exam). 10292012: Assignment #9, originally scheduled to be due on Thursday, November 1, is POSTPONED until Monday, November 5.
10312012: Assignment #11 (exam II review, you can start on it now): Due at the beginning of the class on Thursday, November 15. Do the following: Other recommended sample exams: Spring 2012, Fall 2011, Summer 2011, Fall 2010, Spring 2009, and Spring 2008. Here is a set of exam II review formula sheets made by a fellow student last year. I include it here because it might proved to be helpful to you as well. Note that it includes mechanical vibrations, which will not be on the second exam (the first exam covered that topic) 1152012: Assignment #10, originally scheduled to be due on Thursday, November 8, is POSTPONED until Monday, November 12. The Penn State Learning will be holding a Math 251 exam review session, lead by student peer tutors, on Sunday, November 11, starting at 1:00pm in room 121 Sparks. 1172012: Assignment #12 will be given in class on Friday, November 16. It is due at the beginning of the class on Thursday, November 29.
Notes and worksheet on Chapter 10  Partial Differential Equations: 11142012: Assignment #13 will be given in class on Friday, November 30. It is due at the beginning of the class on Thursday, December 6. 11162012: For assignment #12 (due Thursday, Nov 29), you just need to do questions #1 through #7. Skip #8 (it will become a part of assignment #13 instead). How the 100point homework score is calculated: There are going to be 13 assignments total, each is worth 10 points. Basically, the top 10 scores are kept, for a total of 100 points. But, there is an exception  the last 2 assignments (#12 and #13) on PDEs cannot both be dropped. At least one of the 2 scores must be included in the calculation. There are 2 reasons for this exception. The first is that PDEs is, literally, the fourth credit (above Math 250's) of the course, so at least one score from a PDE assignments should count. The second is that, in the past many students who had scored well in the first 10 assignments elected to skip the last 2 or 3. Essentially, they decided to ease up on class work during the most difficult part of the course, and at the most critical moment just before the final exam. This complacency usually did not turn out well for the students. Remember, now is not the time to ease up because more than half of the final exam is going to be consisted of PDE / chapter 10 topics. This rule would, hopefully, make sure everyone are to spend sometime studying chapter 10. 11282012: On this Sunday, Dec 2 (only), the Penn State Learning will hold its peer tutoring service for Math 251 in their main office in room 220 Boucke Bldg, instead of the usual 007 Sparks location. Math 251 tutoring will resume in 007 Sparks on Monday, Dec 3. 12112012: There will be no class on this Friday, December 14. Thursday's (12/13) class is, therefore, the last one of the semester. Recommended sample final exams: Spring 2012, Fall 2011, Summer 2011, Spring 2011, Fall 2010, and Spring 2009 (answer keys are available for all of them). 12122012: The Penn State Learning will be holding a Math 251 exam review session, lead by student peer tutors, on Tuesday, December 18, starting at 6:00pm in room 114 EES Bldg. 12132012: Final Exam study guide In addition to the Penn State Learning's exam review on Tuesday, I will personally have a review session on Sunday, December 16, from 1:00 to 3:30pm, in room 262 Willard. 12162012: Final exams week office hour: Monday, Dec 17, 2:30 to 4:00pm.


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Last modified: December 16, 2012