Math 21
Autumn 2026

Home Course Schedule Homework Exams and Resources Office Hours

This schedule is only tentative, and may be adjusted as necessary.

The homework is due on Wednesdays at 9am. Logistics for handing in homework and the exact assignments are posted on the homework page.

Week # Date Sections Topics Homework assignment
Throughout Precalculus and Math 19, 20 material See the precalculus page.
1 9/22-9/25 § 3.7 Review of limits and integration; Improper integral of Type I - infinite interval. Homework 1 (due 9/30)
2 9/28-10/2 § 3.7 DCT and LCT for improper integral of Type I; Improper integral of Type II - finite interval with infinite discontinuity. Homework 2 (due 10/7)
3 10/5-10/9 § 5.1, 5.2

Sequences and convergence; growth rates; Bounded and monotone sequences; Series and divergence test.

Homework 3 (due 10/14)
Midterm 1 on Thursday, October 15 5:30-7pm

Topics are those covered in the first three weeks of the course.

You can find more information on the Exams page.

4 10/12-10/16 § 5.3, 5.4

Integral test and p-test; DCT and remainder estimates.

Homework 4 (due 10/21)
5 10/19-10/23 § 5.4, 5.5, 5.6

LCT, absolute and conditional convergence, ACT, AST.

Homework 5 (due 10/28)
6 10/26-10/30 § 6.1

Ratio and Root tests, Power series and interval of convergence.

Homework 6 (due 11/4)
Midterm 2 on Thursday, November 5 5:30-7pm

This exam is cumulative but will focus more heavily on those topics from Weeks 4 through 6.

You can find more information on the Exams page.

7 11/2-11/6 § 6.2

Manipulating power series: differentiating, integrating, and multiplying power series.

Homework 7 (due 11/11)
8 11/9-11/13 § 6.3

Taylor polynomials and series: Taylor's Theorem; Error estimates.

Homework 8 (due 11/18)
9 11/6-11/20 § 6.4

Binomial series; New Taylor series from old; Limites and integrals involving Taylor series.

Homework 9 (due 12/2)
10 11/30-12/4 § 6.4

Solving differential equations with Taylor series; Review of Series; Final Exam Review.

Final exam on Tuesday, December 8 12:15-3:15pm in TBD

This exam is comprehensive but will more heavily emphasize those topics from Weeks 7 through 9.

See the Exams page for more information.

Autumn 2026 -- Department of Mathematics, Stanford University