Calculus 1 vs 2 vs 3: What Each Course Covers, in Order

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Math 165 · 265 · 3654 credits eachNCCRS recommended

Calculus 1, 2 and 3 compared: the whole sequence on one page

Calculus 1 covers limits, derivatives and the start of integration; Calculus 2 continues with advanced integration, differential equations and series; Calculus 3 moves to several variables. Take them in order: the Calculus 2 syllabus calls it a continuation of Calculus 1, and the Calculus 3 syllabus lists Calculus 1 and 2 as prerequisites.

Calculus 2 course

Math 265 · 4 credits · NCCRS

Calculus 2

Advanced integration, differential equations, sequences and series, and parametric and polar curves.

Calculus 3 course

Math 365 · 4 credits · NCCRS

Calculus 3

Multivariable calculus: vectors in space, partial derivatives, multiple integrals and vector calculus.

Order
Calculus 1, then 2, then 3
Longest
Calculus 2: 62 hours
Credit
4 semester hours each

What you learn

From the three syllabi: what each course adds to the one before.

Calculus 1

  • Limits and continuity
  • Derivatives
  • Optimization and related rates
  • Curve sketching
  • Fundamental Theorem of Calculus

Calculus 2

  • Advanced integration
  • Differential equations
  • Sequences and series
  • Taylor series
  • Parametric and polar curves

Calculus 3

  • Vectors in space
  • Partial derivatives
  • Lagrange multipliers
  • Double and triple integrals
  • Line and surface integrals

In all three

  • Integration: first, advanced, then multiple

Side by side

Calculus 1, 2 and 3 (Math 165, 265 and 365), from the three syllabi
 Calculus 1Calculus 2Calculus 3
Course codeMath 165Math 265Math 365
Chapters8 chapters10 chapters7 chapters
Instructional hours49 hours62 hours46 hours
What it addsLimits, derivatives, first integralsIntegration methods, seriesSeveral variables, vectors
PrerequisitesNone listedNone listed (continues Calculus 1)Calculus 1 and 2
Start here ifYou are new to calculusYou have passed Calculus 1You have passed Calculus 1 and 2
Final exam100 multiple-choice questions

All three are self-paced: quizzes and the assignment are open-book, the final is proctored, and 70 or higher passes.

Where should you start?

Calculus 1, then 2, then 3.

Take Calculus 1 if

  • You have not taken college calculus yet
  • Your program lists Calculus I
  • You want limits and derivatives first

Take Calculus 2 if

  • You have passed Calculus 1, here or elsewhere
  • Your program lists Calculus II
  • You need series or differential equations

Take Calculus 3 if

  • You have passed Calculus 1 and 2
  • Your program lists Calculus III or Multivariable Calculus
  • You need partial derivatives or vector calculus

Questions, answered

What is the difference between Calc 1, Calc 2 and Calc 3?

Calculus 1 (Math 165) covers limits, derivatives and integration up to the Fundamental Theorem of Calculus. Calculus 2 (Math 265) continues with advanced integration, differential equations, series, and parametric and polar curves. Calculus 3 (Math 365) moves to several variables: vectors in space, partial derivatives, multiple integrals and vector calculus.

Which calculus is the hardest?

It depends on what you find hard. Calculus 2 is the longest, with 62 instructional hours across 10 chapters, and asks for many techniques, such as integration methods and convergence tests for series. Calculus 3 asks you to picture curves, surfaces and vector fields in three dimensions. See Calculus 2 vs Calculus 3.

Can I skip Calculus 1 or Calculus 2?

The Calculus 3 syllabus lists Math 165: Calculus 1 and Math 265: Calculus 2 (or equivalent) as prerequisites, so take both first, here or at another college. The Calculus 2 syllabus lists no prerequisite but calls the course a continuation of Calculus 1. You can try free Calculus 2 lessons to see where you stand.

How much credit do Calculus 1, Calculus 2 and Calculus 3 carry?

Calculus 1: NCCRS recommends 4 semester hours, upper division, in Calculus among other subjects. Calculus 2: NCCRS recommends 4 semester hours, lower or upper division, in Calculus among other subjects. Calculus 3: NCCRS recommends 4 semester hours, lower division, in Calculus among other subjects.

What subject areas do Calculus 1, Calculus 2 and Calculus 3 count in?

Calculus 1: Calculus, Mathematics, Computer Science, Economics, or as a general education math elective. Calculus 2: Calculus, Mathematics or Computer Science. Calculus 3: Calculus, Business Administration, Business Management, Economics, Accounting, Liberal Arts, or as a General Education Elective. Your college decides which requirement each one fills.

How long are Calculus 1, Calculus 2 and Calculus 3?

Calculus 1: 8 chapters and 49 instructional hours. Calculus 2: 10 chapters and 62 instructional hours. Calculus 3: 7 chapters and 46 instructional hours. All three are self-paced, so you finish as fast or as slow as you want.

What are the final exams like in Calculus 1, Calculus 2 and Calculus 3?

Each ends with 100 multiple-choice questions, worth 25% of the course grade; Calculus 1 after 8 chapters, Calculus 2 after 10.

Which textbooks do Calculus 1, Calculus 2 and Calculus 3 use?

All three syllabi list Hoffman, Dale. Contemporary Calculus. Bellevue College, Washington State Colleges, with other references.

Are Calculus 1, Calculus 2 and Calculus 3 on the ACE list?

No: none of the three is on the ACE list. Calculus 1 has an NCCRS recommendation for 4 semester hours in Calculus; Calculus 2 has an NCCRS recommendation for 4 semester hours in Calculus; Calculus 3 has an NCCRS recommendation for 4 semester hours in Calculus. Not being on the ACE list never means not recommended for credit.

Can I see the Calculus 1 syllabus before I enroll?

Yes: the Calculus 1 syllabus opens after a free sign-in. It lists all 8 chapters, the grading and the credit recommendation, so you can send it to your registrar.

How do I send my Calculus 1 credit to my college?

UPI Study sends it for you. Once Calculus 1 shows 100% complete, pay the $20 transcript on your Student Dashboard (www.upistudy.com/enrollments, "Get your transcript"); the dashboard then takes you straight to the transcript request, where you enter your college's address, and UPI Study emails it to them. Check spam for the confirmation email.

Do colleges give credit for Calculus 1, Calculus 2 and Calculus 3?

ACE and NCCRS have over 2,100 cooperating colleges that will consider accepting credits; the final decision is with the universities. Search your school in Find My College and ask your registrar which courses Math 165, Math 265 and Math 365 would count as. It helps to name the subject: NCCRS recommends Calculus 1 in Calculus and Calculus 2 in Calculus.

Where these credits can go

ACE and NCCRS have over 2,100 cooperating colleges that will consider accepting credits; the final decision is with the universities.

  • Thomas Edison State University (TESU) logo
  • University of the People logo
  • Strayer University logo
  • Post University logo
  • Charter Oak State College logo
  • Indiana Tech logo
  • Columbia Southern University logo
  • University of Arkansas Grantham logo
  • American College of Education logo
  • Nexford University logo
  • Newlane University logo
  • Pathways College logo
  • Dunlap-Stone University logo
  • Woodmont College logo
  • University of Management and Technology (UMT) logo
  • Crestpoint University logo
  • Maestro University (formerly Bottega University) logo
  • Gracelyn University logo
  • EC-Council University logo

Plus many more partner colleges and ACE and NCCRS cooperating colleges.

Find My College →

Keep exploring

Check your college first

ACE and NCCRS have over 2,100 cooperating colleges that will consider accepting credits; the final decision is with the universities.

Sources (4)

UPI Study facts are from our course catalog, syllabi and course rules.