MAT 203: Calculus III with Applications, Fall 2025

Instructor: Johan Asplund, johan.asplund[at]stonybrook.edu, Office: Math Tower 3-116
Class time and location: TuTh 11:00–12:20pm, Engineering 143
Office hours: TuTh 12:30–1:30pm (Math Tower 3-116) and W 5:00–6:00pm (MLC via Zoom)

Recitation 1: Wed 11:00–11:55am, Humanities 3018
TA: Jiaji Cai

Recitation 2: Fri 12:30–1:25pm, Physics P127
TA: Jiaji Cai

Recitation 3: Tue 12:30–1:25pm, Library E4315
TA: Yiheng Dong

Recitation 4: Thu 3:30–4:25pm, Earth&Space 069
TA: Yiheng Dong

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.


Tentative schedule

Date Topic Read HW Quiz pool Due
Tue Aug 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 Sep 2
Thu Aug 28 Dot product and cross product 2.3, 2.4 (notes)
Tue Sep 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 Sep 9
Thu Sep 4 Parametrizing curves 1.1, 1.2 (notes)
Tue Sep 9 Conic sections and quadric surfaces 1.5, 2.6 1.5.268, 2.6.324 1.5: 256, 300
2.6: 328, 342
2.7: 364
Week of Sep 16
Thu Sep 11 Cylindrical and spherical coordinates 2.7
Tue Sep 16 Vector-valued functions 3.1, 3.2
Thu Sep 18 Arc length and curvature 3.3
Tue Sep 23 Midterm review All of the above
Thu Sep 25 Midterm I (In class)
Tue Sep 30 Functions of several variables and limits 4.1, 4.2 4.2.82, 4.3.158 4.1: 8, 16
4.2: 72, 102
4.3: 118, 142
4.4: 170
Week of Oct 7
Thu Oct 2 Partial derivatives and tangent planes 4.3, 4.4
Tue Oct 7 The chain rule 4.5
Thu Oct 9 Directional derivatives and the gradient 4.6
Tue Oct 14 No class (Fall break) 4.6.284, 4.7.334 4.5: 218, 246
4.6: 264, 280
4.7: 310, 312
Week of Oct 21
Thu Oct 16 Maxima/minima problems 4.7
Tue Oct 21 Lagrange multipliers 4.8 4.8.378, 5.1.34 4.8: 368
5.1: 14, 30, 36
Week of Oct 28
Thu Oct 23 Double integrals I 5.1
Tue Oct 28 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 Nov 4
Thu Oct 30 Triple integrals I 5.4
Tue Nov 4 Triple integrals II 5.5
Thu Nov 6 Vector fields 6.1
Tue Nov 11 Midterm review All of the above
Thu Nov 13 Midterm II (In class)
Tue Nov 18 Line integrals and conservative vector fields 6.2, 6.3
Thu Nov 20 Green's theorem, divergence, and curl 6.4, 6.5
Tue Nov 25 Surface integrals 6.6 6.2.70, 6.4.150 6.2: 62
6.3: 116
6.4: 146, 156
6.5: 216, 226
Week of Dec 2
Thu Nov 27 No class (Thanksgiving)
Tue Dec 2 Stokes' theorem and the divergence theorem 6.7, 6.8
Thu Dec 4 Final review All of the above
Wed Dec 10 Final Exam: 2:15–5:00pm, TBA