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Course information comes from the public UCLA General Catalog. Requisites are read from UCLA’s published wording and can be incomplete or out of date — check the official catalog listing and your department adviser before you enroll.

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MATH 31BIntegration and Infinite Series

Mathematics · 4 units · Undergraduate lower division (0-99)

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Not open for credit to students with credit for course 3B. Transcendental functions; methods and applications of integration; sequences and series.

P/NP or letter grading.

When it runs

Checking the Schedule of Classes…

Requisites

Official UCLA wording

Requisite: course 31A with grade of C– or better.

BruinTree reads · Prerequisite

confidence 1.00 · from text
grade C- or better in
  • MATH 31A

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About MATH 31B. We read UCLA’s requisite wording by machine, and it gets things wrong.

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Requires

Everything that has to come before this course, not just the courses named in the requisite above.

MATH 31B

  • MATH 31ADifferential and Integral Calculus
    • MATH 1Precalculus

1 direct requisite. The whole upstream is here — 2 courses over 2 levels. Every course here opens its own tree.

Unlocks

What this course is a requisite for, and what those courses lead to in turn.

MATH 31B60 more beyond

  • MATH 11NGateway to Mathematics: Number Theory
  • MATH 32BCalculus of Several Variables41 more beyond
    • MATH 42Introduction to Data-Driven Mathematical Modeling: Life, Universe, and Everythinganother path to it
    • MATH 120ADifferential Geometryanother path to it
    • CH ENGR 100Fundamentals of Chemical and Biomolecular Engineering3 more beyond
    • MATH 120BDifferential Geometryanother path to it
    • CHEM 110BTopics in Physical Chemistry14 more beyond
    • MATH 132Complex Analysis for Applications3 more beyond
    • EC ENGR 101AEngineering Electromagnetics9 more beyond
    • MATH 132HComplex Analysis (Honors)
  • A&O SCI 90Introduction to Undergraduate Research in Atmospheric and Oceanic Sciences
  • MATH 32BHCalculus of Several Variables (Honors)
  • MATH 33ALinear Algebra and Applications83 more beyond
    • MATH 42Introduction to Data-Driven Mathematical Modeling: Life, Universe, and Everythinganother path to it
    • MATH 115ALinear Algebra47 more beyond
    • C&S BIO M130Fundamentals of Digital Imaging and Image Processing
    • MATH 115AHLinear Algebra (Honors)1 more beyond
    • MATH 133Introduction to Fourier Analysis
    • CH ENGR 101ATransport Phenomena I6 more beyond
    • MATH 135Ordinary Differential Equations1 more beyond
    • MATH 136Partial Differential Equations
  • ASTR 81Fundamentals of Astrophysics
    • ASTR 115Introduction to Galactic Astronomy2 more beyond
      • PHYSICS 170NComputational Physics and Astronomy Laboratory
    • ASTR 117Introduction to Extragalactic Astrophysics2 more beyond
    • ASTR 127Stars from Birth to Death
    • ASTR 142Data and Computation in Astrophysics
    • ASTR 143Planets and Exoplanets
    • ASTR 144Star Formation and Interstellar Medium
    • ASTR 146Astronomical Instrumentation
  • MATH 33AHLinear Algebra and Applications (Honors)
    • CHEM 151Machine Learning for Chemistry
  • MATH 33BDifferential Equations49 more beyond
    • MATH 120ADifferential Geometry
      • MATH 105BMathematics and Pedagogy for Teaching Secondary School Mathematics
    • MATH 120BDifferential Geometry
    • C&S BIO M150Biological Modeling: Mathematical and Computational Approaches6 more beyond
    • MATH 131AAnalysis31 more beyond
    • MATH 131AHAnalysis (Honors)1 more beyond
    • CH ENGR 101ATransport Phenomena Ianother path to it
    • MATH 131BAnalysis11 more beyond
    • MATH 132Complex Analysis for Applicationsanother path to it
  • BIOENGR 123Introduction to Nucleic Acid Nanotechnology
  • MATH 42Introduction to Data-Driven Mathematical Modeling: Life, Universe, and Everything
    • MATH 118Mathematical Methods of Data Theory1 more beyond
      • MATH M148Experience of Data Science
  • MATH 61Introduction to Discrete Structures
    • MATH 180Graph Theory
    • MATH 182Algorithms
    • COM SCI 180Introduction to Algorithms and Complexity21 more beyond
    • MATH 184Enumerative Combinatorics
  • BIOSTAT 216Mathematical Methods for Biostatistics
  • MATH 70Introduction to Probability
    • ECON 109AAdvanced Sequence: Mathematical Economics
  • MATH 106History of Mathematics
  • C&EE 91Statics
    • C&EE C104Structure, Processing, and Properties of Civil Engineering Materials
      • C&EE C182Rigid and Flexible Pavements: Design, Materials, and Serviceability
    • C&EE 108Introduction to Mechanics of Deformable Solids4 more beyond
    • C&EE 132Dynamics of Rigid and Flexible Structures3 more beyond

81 courses list this as a requisite. Showing 60 courses over 3 levels; the branches marked with a count carry on past it. Every course here opens its own tree.

  • Fall 2025
  • Winter 2026
  • Spring 2026
  • Summer 2026
  • Fall 2026
  • Winter 2027
  • Spring 2027

Scheduled, not typical — from UCLA’s Schedule of Classes, which publishes Fall 2025 through Spring 2027 and nothing before it.