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• Office Hour (MATH645)

  Wednesday & Friday 8:30-9:30 a.m.

  In fact, you can attend any recitation instructor's office hours. Here is the schedule

  If you are not able to attend any of them, we can talk about your question over email.

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• Quiz

  Quizez and their solutions are posted at 2:30 p.m. every Tuesday. You can also find your session's simple score statistics here.

  Date	Contents to be Covered	Quiz	Section 021				Section 022				Some Fun
  			Mean	Median	Highest	Lowest	Mean	Median	Highest	Lowest
  January 11	Lecture: The Cross Product/ No quiz
  January 18	Dot Product and the Cross Product	Quiz 1	19.25	20	20	15	19.3	20	20	12	tetrahedron, nb file
  January 25	Planes and Quadric Surfaces	Quiz 2	16.5	17	20	10	16.5	17	20	10	How to draw a hyperbolic parabloid (See Page 2-5)
  February 1	Derivative, Curvature and Arc Length	Quiz 3 Solution	Snow day! Quiz done at home (optional). Note that Lession 10 is dropped from the syllabus and so is Homework 10!								perimeter of an ellipse
  February 8	Velocity, Speed and Acceleration; Graph of a Multivariate Function	Quiz 4	18.25	19	20	15	18.25	18	20	14	position, velocity, acceleration, jerk, snap, crackle, pop...
  February 15	Partial Derivative;Tangent Plane	Quiz 5	16.9	18	20	11	16	16.5	20	8	an alternative resource (most comprehensive in the web format as of Spring 2011)
  Exam I statistics			60.797	Std: 23.663	100	10	60.000	Std: 26.186	100	20	A 90-100,B 70-80, C 50-60, D 40, F 0-30, Total mean: 58.7
  February 22	Implicit Differentiation; Directional Derivative	Quiz 6	19.3	20	20	12	18.2	20	20	12	Implicit Function Theorem
  March 3	Local Extremum; Absolute Extremum	Quiz 7	14.5	14	19.5	9	14.8	15	20	10	Robert Ghrist: Funny Little Calculus Text
  March 8	Lagrange Multiplier Method; Double Integral	Quiz 8	15.86	16	20	10	16.9	16.5	20	12
  March 15	Spring Break
  March 22	Double Integral in Polar Coordinates; Triple Integral	Quiz 9	16.5	17	20	10	16.15	17	20	9	The official study guide for Exam II
  March 29	The recitation meeting today is cancelled; Exam II statistics		59.189	Std: 21.779	100	10	62.059	Std: 19.814	100	20	A 90-100,A/B 80, B 70, B/C 60, C 50, D 40, Total mean: 58.9
  April 5	Integrating a scalar function and a vector field over a smooth curve	Quiz 10	17.4	17	20	8	18.8	20	20	12	MA261 done in another way: Prof. Arapura's Introduction to Differential Forms
  April 12	Fundamental Theorem of Line Integral; Green's Theorem	Quiz 11	16.2	16.5	20	10	16.7	16	20	12
  April 19	Curl and Divergence; Surface Area	Quiz 12	17	18.5	20	8	16.2	17	20	6
  April 26	Dead Weak. No quiz.										Official Review I, Review II and Review III. Good Luck!