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JK Top
Semester: MAP2302 Elem.Diff.Eqns
DiffyQ
Nostalgic?
See
2020g,
2019g,
2018t,
2018g,
2017t,
2015t,
2015g,
2014t,
2013t
2004g,
2003g,
1994t.
.
Our Teaching Page
has important information for my students.
(It has the
Notes, Exams and Links
from all of my previous courses.)
The Teaching Page has my schedule,
LOR guidelines,
and Usually Useful Pamphlets.
One of them is the
Checklist (pdf)
which gives pointers on competant mathematical writing.
Further information is at our
classarchive URL
(I email this private URL directly to students).
In all of my courses,
attendance is absolutely required
(excepting illness and religious holidays).
In the unfortunate event that you miss a class, you are
responsible to get all
Notes / Announcements / TheWholeNineYards
from a classmate, or several.
All my classes have a
substantial
classparticipation grade.
Assignment for Add/Drop week
Textbook:
Fundamentals of Differential Eqns with Boundary
Value Problems,
(7^{th} edition).
Author: Nagle, Saff & Snider.
[While that is the official textbook, you may use the
6th, 7th,8th, or 9th editions.]
[We will also use Wikipedia and perhaps other online sources.]
The various DiffyQ czars who help out.
Time 
Computer 
SpurOTMProbs 
Memory/ESP 
Phone 
? 
? 
? 
? 
? 
Endofsemester DfyQ:
Individual Optional Project (IOP)
...will be due,
typed,
stapled,
slid completely under my office door
(402 Little Hall, northeast corner, top floor)
no later than
[Time & Date].
The DfyQ Project must be carefully typed,
but diagrams may be handdrawn and scanned into the PDF.
The
first page is to be the
Problem Sheet,
with
Honor Code signed and
blanks filled in.
For the typesetting, one possibility
is the (free)
mathematicstypesetting language
.
The guidelines on the
Checklist
(pdf, 3pages)
are written for a
team takehome, but are nonetheless
are helpful for scoring well on an
individual takehome.
Spring 2021, DfyQ:
(Due to COVID, this class was
taught online.)
Resources

Wonderful W
was everyone's favorite, as it answered that burning light bulb question...
 The
Gentle quiz V,
everyone agreed, was
a sinh !
 Mr. Spock appreciated the Logistical
Quiz U,
admiring the reference to his friend, Bernoulli,
who encourages folks to post solutions
(not just answers) to our Archive.
 Spiffy
Fun Quiz S
elicited shouts of enthusiam. Admirers remarked on its clean lines, and
efficient twotone blackwhite format, marveling at the similarity of the CCLDE
problem to what is in DiffyNotes.
A Triumph!
, concluded all the major newpapers,
with customers clamoring for more DfyQ Knowledge...
 The enthusiastically received
Cool Quiz T
allowed scholars to exhibit their polynomialtarget skills.

Xciting!
was our last quiz of the semester.
 DfyQ syllabus
[Monday, 12Apr2021]
Spring 2020, DfyQ:
DfyQ 2020g examish items
 Look Pa! All 11
DfyQ quizzes (pdf).
[Monday, 09Mar2020]
 Our
DfyQ Syllabus with exam dates (pdf)
has clickable links.
Worldwide celebrations as the efficient
ClassX (pdf)
appeared, in stylish blackandwhite tones.
Folks cheered for the lack of complexarithmetic questions, as
well as the opportunity to showoff essaywriting skills.
A Triumph!
declaimed the
New York Times,
This will run on Broadway forever!
.
 Happy DfQers applauded the
essayliberated
ClassW (pdf),
with its niftydiffty trustydusty compendium of shortanswer questions.
 Endofsemester DfyQ
Individual Optional Project Z
was lots of fun!
The various DiffyQ czars who help out.
Time 
Computer 
SpurOTMProbs 
Memory/ESP 
Phone 
Camille W. 
Atharva P. 
Chris~P. 
Julie VC. 
Kyle F. 
Spring 2019, DfyQ:
Material to learn
 Look Ma! All 10+bonus+bonus
DfyQ quizzes 2019g (pdf).
Headlines proclaimed
ClassS (pdf)
a A smash hit!
,
with its clean twotone format, and nifty freebie (S1a) question.
For the polynomialdegree question, examples
one
and
two.
Folks found themselves
Hooked by the suspenseful
ClassT (pdf),
people hanging on
to the edge of their seats, ready to
spring into action EXACTly when the
situation was critical; nothing could damp their enthusiasm!
Citizens United in applauding the
essayliberated
ClassU (pdf),
with its niftydiffty trustydusty compendium of shortanswer questions.
 The challenging
IOPV had one question
asking how to show all solns to a particular DQ were
infinitelydifferentiable. The other questions concerned
Laplacexforms.
 Our
Syllabus with exam dates;
Same syllabus as a PDF.
The various DiffyQ czars who help out.
Time 
Computer 
Jack 
Alex B. & Celeste 
Autumn 2018, DfyQ:
 Look Ma! All 12
DfyQ quizzes 2018t (pdf).
 Folks were delighted with the nifty
ClassS
and its quick TrueFalse question.
 Folks breezed through the aptlytitled
ClassT
and also learned of the Robert Long Prize essay competition.
 Popular was the short
ClassU
with its delightful twocolumn layout.
 Thoughtprovoking
IOPV
was due
2PM, Thursday, 06Dec2018.
 Our DfyQ syllabus.
The various DiffyQ czars who help out.
Time 
Computer 
Phone 
Miraj P. 
Britney C. 
Dylan M. 
Spring 2018, DfyQ:
 Look Ma! All 18
DfyQ quizzes 2018g (pdf).
 The exhilarating
ClassS
appeared
(on Wed., 07Feb2018),
attracting praise for its challenging, yet eminently doable problems,
as well as its nifty typesetting.
 With its Salty language,
ClassT
appeared
(on Wed., 28Feb2018)
out of the Briney Depths, to
entertain the cognoscenti
[Exactly what they were hoping for]
as students effortlessly sprang through Harmonic motion
with undamped enthusiasm.
 The gentle
ClassU
surfaced Expialadociously!
(on Wedn., 04Apr2018),
but did
not ask students to compute
Exp(i·aladocious);
which, anyway, equals
Exp(−aladocous).
[Why?]
 Our
IOPV
asked about the DQs for a multitank brine question,
as well as a unittriangularpulse question from the textbook.
 Our DfyQ syllabus.
The various DiffyQ czars who helped out.
Time 
Blackboard 
Memory 
Phone 
Abby 
(Helpful folks) 
Um ... oh yeah, Zorana! 
Cristina 
Material from Spring 2017 DiffyQ:
Our
DfyQ 2017t syllabus
[updated 18Sep2017, due to hurricane Irma],
and
microquizzes 2017t.
The various DiffyQ czars who help out.
Computer 
Time 
Blackboard 
Memory 
Danielle H. 
David P. 
Dirk S. 
(Shoot! I didn't write it down…) 
Exams
ClassS,
ClassT,
ClassU.
and our
VIOP (Individual Optional Project).
Autumn 2015, DfyQ:
Textbook:
Differential Equations with BoundaryValue Problems,
(8^{th} edition, 2013).
Author: Dennis Zill & Warren Wright.
Publisher: BROOKS/COLE,
CENGAGE Learning.
ISBN: 9781305760608.

Available are all the
DfyQ quizzes 2015t (pdf).
 Wedn. 30Sep2015:
Crowds cheered, when discovering that the fascinating
ClassW (pdf)
was all shortanswer.
 Wedn. 28Oct2015:
Headline news from coast to coast:
ClassX (pdf)
a success.
One reviewer opined:
With its clean twotone format, crisp typesetting,
and straightforward problems, it is a model for exams everywhere.
 Cooling a Cake is available.

Monday, 16Nov2015:
Flowers and gold coins were tossed on the stage
by an appreciative audience for ClassY (pdf).
Admittedly, Act II had that challenging VoP scene; a resolution is
in the above playbill.
 Our
IOPZ
asked about melting ice.
It also had a guidedproblem combining
Laplacexforms with the SoV technique.
 Our course syllabus (pdf).
The various DiffyQ czars who help out.
Computer 
Chalk 
EDProbs 
Time 
Blackboard 
Memory 
PhoneList 
Nishad 
Stirling 
Fidel 
Ariana S. 
? 
Taylor C. 
Elena 
Autumn 2013, DfyQ:
The various DiffyQ czars who help out.
Projector 
Phonelist 
Chalk 
Blackboard 
Time 
Jenny 
Ivan 
Pierce 
James 
Jacob 
 Our Final exam
was Monday, 09Dec.,
from 5:30PM  7:30, in our classroom.
 The thoughtprovoking prerequisite miniquiz
ClassA (pdf)
provoked prerequisite thoughts.
[Given on Mon., Aug.26, allowing folks to selfevaluate.]
 Acclaim and applause followed
ClassB (pdf)
with its clean twotone format, and FOLDE similar to the pamphlet's.
Eager bystanders thronged to post solutions for their colleagues to
learn from.
Headlines across the country proclaimed
ClassC (pdf)
as a A smash hit!
, with its Brilliant writing
and Interestingly Convoluted storyline
, despite
some Salty language
.
The audience clamors for more, awaiting with breath bated, its
triumphant sequel !
Though there were gasps of disappointment, as
ClassD (pdf)
had no essay question, nonetheless folks appreciated
that it was exponentially easier than
the previous exams.
 Available are all the
DfyQ quizzes 2013t (pdf).
 Our course syllabus (txt).
JK Home page