Woody Calculus · University of California, Davis (UC Davis) studentsFrom Calculus II to advanced proofs

UC Davis mathematics.
Master the method.

Start with 7 days free in the Woody Calculus Mastery Lab.

Video lessons. Complete worked solutions. Direct guidance. Find a clear starting point for your UC Davis mathematics, from MAT 21B integration to vector calculus, differential equations, and advanced proofs.

7 days free, then $89/month. Private one-on-one sessions are separate.

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Mathematics support for UC Davis

Find your subject, then bring your course and current question to the Mastery Lab.

Start with your course: MA T 21B / T 21BH for Calculus II, then find your multivariable or differential-equations route in the course guide below.

See what you are joining · 10-minute walkthrough

Look inside the Mastery Lab.

See the subject classrooms, complete worked solutions, and ways to ask Woody for help. Find out how to turn the Lab into a study routine for your current UC Davis course.

Woody’s guided tour of the Mastery Lab.
Watch on YouTube if the player does not load
01

See every step.

See the setup, method choice, solution, and checks. Learn what to look for when a new problem changes the details.

02

Ask Woody.

Get direct chat guidance, community support, and live Q&A when available. Bring the step you cannot explain.

03

Build independence.

Train pattern recognition, clean setup, formula fluency, and proof writing through structured practice.

Put the Lab to work on your own course.

Explore the lessons, study a worked solution, and bring Woody your next question.

Start Your 7-Day Free Trial

7 days free, then $89/month.

From your UC Davis course to your next study session

Know the first step.
Understand the next one.

At UC Davis, MAT 21C and 21D divide the path toward vector calculus.

Bring the exact course and chapter when asking about a series, a partial derivative, or a multiple integral. The first useful step is to identify which kind of object the problem asks you to work with.

Differential equations also has several routes: 22B, the biology-focused 27B, and the advanced 119 sequence. For 127 analysis or 150 algebra, the Lab can help you move from a familiar example to the general proof your assignment requires.

Bring one question. Build a method.

  • Calculus II: What clue suggests the technique?
  • Calculus III: What does the region look like?
  • Differential equations: Which method fits the structure?
  • Proofs: What do the assumptions let you establish?

Bring your course number, current assignment, and next exam date. Practice the reasoning, then test it independently.

University of California, Davis (UC Davis) course guide

Know your course.
Build the method behind it.

Find the course you are taking. Open its details for UC Davis’s course names, numbers, and focused ways to prepare.

MA T 21B / T 21BH

Calculus II

For MAT 21B and the related options below: choose the technique before doing the algebra. Build a repeatable process for integrals, applications, and series.

With Woody: Explain the clue, choose a method, and check the result.

Course details and topics
  • MAT 21B — Calculus
  • MAT 21BH — Honors Calculus
Topics to prepare
  • Substitution and integration by parts
  • Trigonometric substitution and partial fractions
  • Volumes by shells and washers
  • Improper integrals and convergence tests
  • Taylor series and approximation
More Calculus II resources →
MA T 21C / T 21CH / T 21D

Calculus III & Vector Calculus

For MAT 21C and the related options below: turn a picture into a setup you can explain. Practice coordinates, bounds, and the meaning of each integral.

With Woody: Draw the region, label the variables, and justify the theorem you use.

Course details and topics
  • MAT 21C — Calculus
  • MAT 21CH — Honors Calculus
  • MAT 21D — Vector Analysis

MAT 21C contains series and multivariable material; MAT 21D continues the vector-analysis work. The catalog displays leading zeros, such as MAT 021B, for these same codes.

Topics to prepare
  • Partial derivatives and the chain rule
  • Optimization
  • Double and triple integrals
  • Line and surface integrals
  • Green, Stokes, and divergence theorems
More Calculus III & Vector Calculus resources →
MA T 22B / T 27B / T 119A / 119B

Differential Equations

For MAT 22B and the related options below: an equation becomes more manageable when you recognize its structure. Train the first decision before memorizing steps.

With Woody: Identify the equation type, solve systematically, and verify the initial conditions.

Course details and topics
  • MAT 22B — Differential Equations
  • MAT 27B — Differential Equations with Applications to Biology
  • MAT 119A / 119B — Ordinary Differential Equations
Topics to prepare
  • First-order methods
  • Higher-order linear equations
  • Systems and eigenvalues
  • Laplace transforms where assigned
  • Qualitative behavior and stability
More Differential Equations resources →
MA T 22A / T 67 / T 167

Linear Algebra

For MAT 22A and the related options below: connect the calculation to the concept. Row reduction matters more when you understand what it says about the system or transformation.

With Woody: Translate between matrices, equations, vector spaces, and proofs.

Course details and topics
  • MAT 22A — Linear Algebra
  • MAT 67 — Modern Linear Algebra
  • MAT 167 — Applied Linear Algebra
Topics to prepare
  • Linear systems and row reduction
  • Span, independence, and bases
  • Linear transformations
  • Eigenvalues and diagonalization
  • Inner products and orthogonality
More Linear Algebra resources →
MA T 150A / 150B / 150C

Abstract Algebra

For MAT 150A / 150B / 150C: work from the definitions and make every implication explicit. Build proofs that establish exactly what the question asks.

With Woody: Identify the structure, unpack the assumptions, and choose the theorem that fits.

Course details and topics
  • MAT 150A / 150B / 150C — Modern Algebra
Topics to prepare
  • Groups and subgroups
  • Homomorphisms and quotients
  • Rings and ideals
  • Fields and polynomials
  • Direct proof and counterexamples
More Abstract Algebra resources →
MA T 127A / 127B / 127C

Real Analysis & Advanced Calculus

For MAT 127A / 127B / 127C: move from a familiar calculus fact to a precise argument. Practice controlling quantities and checking every hypothesis.

With Woody: Write the target statement first, then build the estimates and logical steps.

Course details and topics
  • MAT 127A / 127B / 127C — Real Analysis
Topics to prepare
  • Sequences and limits
  • Continuity and compactness
  • Epsilon arguments
  • Differentiation and integration
  • Convergence of functions
More Real Analysis & Advanced Calculus resources →
MA T 150C

Galois Theory

For MAT 150C: connect field extensions with the symmetries of polynomial roots. Keep the fields, groups, and maps clearly labeled.

With Woody: Draw the field relationships and explain how the correspondence applies.

Course details and topics
  • MAT 150C — Modern Algebra

MAT 150C explicitly covers field extensions and Galois theory.

Topics to prepare
  • Field extensions and degrees
  • Minimal and irreducible polynomials
  • Splitting fields
  • Automorphisms and fixed fields
  • Galois correspondence
More Galois Theory resources →
MA T 115A / 115B

Number Theory

For MAT 115A / 115B: learn to move between arithmetic examples and general arguments. A clean congruence calculation should lead to a justified conclusion.

With Woody: State the divisibility claim, select the tool, and explain why it works.

Course details and topics
  • MAT 115A / 115B — Number Theory
Topics to prepare
  • Divisibility and the Euclidean algorithm
  • Congruences
  • Prime factorization
  • Integer equations
  • Proofs using arithmetic structure
More Number Theory resources →

Course names and numbers checked against official university sources on 2026-09-25. Honors and graduate options are identified below. Follow your syllabus for the topics and current offering of your section.

Official course references

Make progress on this week’s topic.
Open the Lab, study the method, and ask your next question.

Start Your 7-Day Free Trial
Turn a worked solution into a method you own

Recognize the pattern.
Choose the method.
Do the work.

A solution can look clear while you are reading it and still be hard to reproduce. Train the decisions that connect one step to the next, then apply them to a different problem.

Build clean setup, formula fluency, and complete reasoning alongside your calculations. The same habits support an integration problem, a matrix computation, or a proof.

Read Woody’s complete study method →
  1. Bring your current UC Davis work.

    Start with your course number, syllabus, current problem, and next exam date. Choose the lesson that addresses the decision you need to understand.

  2. Explain the first decision.

    For an integral, name the clue that suggests the technique. For a differential system, explain the matrix setup. For a proof, identify what you know and what you must show.

  3. Rehearse the reasoning.

    Reproduce a complete solution 3–5 times while saying the steps aloud. Compare your work, correct errors, and explain why each step is valid.

  4. Solve a fresh problem.

    Put the example away and try another problem. Bring Woody the precise step that stops you, then return to the work and apply what you learned.

Make your first seven days useful

Give your free trial a purpose.
Start with one UC Davis problem.

Choose a problem you need to understand this week. Watch a complete solution, explain the setup, and practice the method. Use your questions to guide your next step.

  1. Find your subject. Match your UC Davis topic to a lesson.
  2. Study a complete solution. Follow the choices as well as the calculations.
  3. Ask Woody. Bring the step you cannot yet explain.
  4. Test your understanding. Solve a new problem without the example.

7 days free, then $89/month. Private sessions are separate.

More about the Mastery Lab and membership

Woody Calculus mathematics support for UC Davis students
UC Davis mathematics support: from calculus methods to advanced proofs.
When you want individual instruction

Private instruction for UC Davis students.

Work one-on-one with Woody, backed by 25+ years teaching university mathematics. Develop your understanding, study habits, and exam strategy in Calculus II and above, differential equations, linear algebra, abstract algebra, real analysis, Galois theory, or number theory.

Get weekly one-on-one guidance, personalized exam strategy, detailed feedback, and accountability for your course.

Begin in the Mastery Lab. Students in Calculus II, Calculus III, Differential Equations, Linear Algebra, Abstract Algebra, Real Analysis, Galois Theory, Number Theory, and related advanced courses may then apply for individual instruction.

Private sessions are separate from membership and carry a premium fee. Availability is limited, application and approval are required, and Lab enrollment does not guarantee a private place.

Have a question about the right next step? Contact Woody directly.

The path to private instruction
  1. Join the Mastery Lab.
  2. Bring your course and goals.
  3. Apply for weekly private sessions.
Start Your 7-Day Free Trial

Already a Lab member? Read the private instruction details.

Questions from UC Davis students

Know what you are joining.

Where should I start if I need a UC Davis calculus tutor?

Start your 7-day free trial in the Mastery Lab. Choose the topic you need this week, study a complete example, and try another problem. Ask Woody about the step you cannot yet explain.

Why do some UC Davis course codes have a leading zero?

The catalog displays forms such as MAT 021B. The guide uses the familiar MAT 21B form for the same course. Include the letter suffix because 21B, 21C, and 21D cover different stages.

Can I get help with volumes by shells and washers?

Yes. Draw the region and axis of rotation first, then compare a slice perpendicular to the axis with a shell parallel to it. Explain your radius, height, and bounds before integrating.

Do you help with advanced mathematics and proofs?

Yes. Linear algebra, abstract algebra, real analysis, Galois theory, and number theory are core areas of Woody’s instruction. For advanced or graduate courses, bring the syllabus and specific topic to check the fit.

What does the Mastery Lab include, and what does it cost?

Start with 7 days free, then $89 per month. Membership includes subject video lessons, complete worked solutions, community support, direct chat guidance, and live Q&A when scheduled. Private one-on-one sessions are separate.

Does every course number have its own recorded classroom?

Available recordings vary by subject and topic. Course references identify mathematics you can bring to Woody; they do not promise a separate recording archive for every class. Use the tour and trial to see how the resources fit your syllabus.

Is private instruction available for UC Davis students?

Yes, with limited availability. Join the Mastery Lab first, then apply for weekly private instruction. Sessions have a separate premium fee and require available space and approval. Membership does not guarantee a private place.

What if I need help with Calculus I or an earlier course?

Woody recommends Blue Hovatter for private tutoring through Calculus I. You can also review the earlier calculus resources linked below.

Is Woody Calculus affiliated with University of California, Davis (UC Davis)?

No. Woody Calculus is an independent education service, not affiliated with, sponsored by, or endorsed by the university. Course references identify the students and subjects served.

Help through Calculus I

Build the foundation for what comes next.

For prerequisite review, explore the Calculus I resources. MAT 21A is an earlier calculus foundation; Woody’s main instruction here starts with Calculus II.

Need private tutoring through Calculus I? Woody recommends Blue.

For college algebra, trigonometry, precalculus, and Calculus I, explore private tutoring with Blue Hovatter.

Visit Blue’s tutoring website →
Keep learning

Explore the idea behind the method.

Use the Math Library for explanations and connections, then return to your current UC Davis problem.

Course and study resources
Other universities supported
Official references and student reviews
UC Davis mathematics support · 25+ years teaching university mathematics

Learn the method.
Bring it to your UC Davis work.

Start with the question you need to understand. Follow the reasoning, ask Woody, and put the method into practice. Your first seven days in the Mastery Lab are free.

7 days free, then $89/month.

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