MAT 203: Calculus III with Applications, Spring 2026

Instructor: Johan Asplund, johan.asplund[at]stonybrook.edu, Office: Math Tower 3-116
Class time and location: MW 5:00–6:20pm, Earth&Space 001
Office hours: MW 4:00–5:00pm (Math Tower 3-116) and Tue 5:00–6:00pm (MLC via Zoom)

Recitation 1: Tue 2:00–2:55pm, Physics P130
TA: Jiaji Cai

Recitation 2: Wed 11:00–11:55am, Library N4072
TA: Aritra Chatterjee

Recitation 3: Tue 12:30–1:25pm, Physics P112
TA: Jiaji Cai

Recitation 4: Fri 2:00–2:55pm, Physics P116
TA: Adityo Mamun

Recitation 5: Wed 9:30–10:25am, Physics P116
TA: Aritra Chatterjee

Syllabus: Here.
Textbook: OpenStax Calculus Vol. 3 (Free; online copy here.)

Homeworks/quiz pool: Most weeks, two homework problems and a pool of 4–6 quiz problems are assigned. The homework problems are due in the recitation the upcoming week, and one problem from the quiz pool will be given as a quiz problem in the recitation the upcoming week.

Midterm I Practice materials: Practice problems. Old midterm.


Tentative schedule

Date Topic Read HW Quiz pool Due
Mon Jan 26 Vectors 2.1, 2.2 (notes) 2.2.88, 2.4.190 2.1: 6, 10
2.2: 92
2.3: 126
2.4: 186
Week of Feb 2
Wed Jan 28 Dot product and cross product 2.3, 2.4 (notes)
Mon Feb 2 Lines and planes 2.5 (notes) 2.5.260, 1.2.74 2.5: 244
1.1: 10, 34
1.2: 62, 94
Week of Feb 9
Wed Feb 4 Parametrizing curves 1.1, 1.2 (notes)
Mon Feb 9 Conic sections and quadratic surfaces 1.5, 2.6 (notes) 1.5.268, 2.6.324 1.5: 300
2.6: 328, 342
2.7: 364
Week of Feb 16
Wed Feb 11 Spherical coordinates and vector-valued functions 2.7, 3.1 (notes)
Mon Feb 16 Calculus of vector-valued functions and curvature 3.2, 3.3 (notes)
Wed Feb 18 Midterm review All of the above
Mon Feb 23 Midterm I (In class)
Wed Feb 25 Functions of several variables and limits 4.1, 4.2
Mon Mar 2 Partial derivatives and tangent planes 4.3, 4.4 4.2.82, 4.3.158 4.1: 8
4.2: 72, 102
4.3: 118, 142
4.4: 170
Week of Mar 9
Wed Mar 4 The chain rule 4.5
Mon Mar 9 Directional derivatives and the gradient 4.6 4.6.284, 4.7.334 4.5: 218, 246
4.6: 264, 280
4.7: 310, 312
Week of Mar 23
Wed Mar 11 Maxima/minima problems 4.7
Mon Mar 16 No class (Spring recess)
Wed Mar 18 No class (Spring recess)
Mon Mar 23 Lagrange multipliers 4.8 4.8.378, 5.1.34 4.8: 368
5.1: 14, 30, 36
Week of Mar 30
Wed Mar 25 Double integrals I 5.1
Mon Mar 30 Double integrals II 5.2, 5.3 5.3.136, 5.4.208 5.2: 82
5.3: 134, 148
5.4: 182, 200
Week of Apr 6
Wed Apr 1 Triple integrals I 5.4
Mon Apr 6 Triple integrals II 5.5
Wed Apr 8 Midterm review 4.1–5.5
Mon Apr 13 Midterm II (In class)
Wed Apr 15 Vector fields 6.1
Mon Apr 20 Line integrals, conservative vector fields 6.2, 6.3 6.2.70, 6.4.196 6.2: 66, 68
6.3: 116, 122
6.4: 174
Week of Apr 27
Wed Apr 22 Green's theorem 6.3, 6.4
Mon Apr 27 Divergence and curl, surface integrals 6.5, 6.6 6.5.220, 6.6.286 6.5: 216, 226
6.6: 274, 284
Week of May 4
Wed Apr 29 Stokes' theorem 6.7
Mon May 4 The divergence theorem 6.8
Wed May 6 Final review All of the above
Wed May 13 Final Exam: 5:30–8:00pm, Room TBA