Course support
Clarify current AB or BC topics while repairing prerequisite algebra, function, and trigonometry gaps.
AP Calculus AB & BC
Understand change—not just
a list of rules.
One-to-one AP Calculus AB and BC tutoring that connects limits, derivatives, integrals, series, and applications into a coherent way of thinking.
0115+ yearsTeaching and tutoring experience
02One-to-oneInstruction built around the student
03Local + onlineArcadia, San Marino, Pasadena, and Zoom
A clearer starting point
Calculus becomes manageable when the ideas connect.
Students often know how to differentiate or integrate a familiar expression but become unsure when the problem is presented as a graph, table, verbal model, or unfamiliar application. Tutoring makes those connections explicit.
Each lesson separates conceptual understanding from algebraic execution, then brings them back together. Students learn to explain why a method applies, organize the work clearly, and verify that an answer fits the behavior of the function or the context of the problem.
AP exam preparation
Practice multiple-choice and free-response reasoning with attention to setup, notation, and explanation.
Independent study habits
Build organized notes, error analysis, and a reliable process for difficult multi-step problems.
What we work on
From representation to reasoning
Strong calculus work moves comfortably among formulas, graphs, tables, and words.
Limits and continuity
Interpret local behavior and use it to support derivative and continuity reasoning.
Derivatives
Connect rates of change, graphical behavior, approximation, optimization, and related rates.
Integrals
Understand accumulation, area, the Fundamental Theorem of Calculus, and differential equations.
BC extensions
Work with parametric and polar functions, sequences and series, and the additional BC applications.
The teaching process
A better study process—not just another answer.
- 01Find the bottleneck
Determine whether the difficulty is conceptual, algebraic, representational, or procedural.
- 02Make thinking visible
Use diagrams, graphs, notation, and questions to connect the student’s work to the underlying idea.
- 03Practice with feedback
Move from guided examples to independent problems and AP-style response expectations.
Selected evidence
Results presented with context.
The records below are already part of the Tzeng Tutoring results collection. Identifying details have been redacted.
AP Calculus AB & BC
A redacted handwritten note describes a student’s experience with AP Calculus AB and BC tutoring.
AP Calculus BC
A redacted student message shared an AP Calculus BC score of 5.
Calculus course result
An anonymized parent message shared that a student earned an A in Calculus.
Free consultation
Make the next calculus topic feel connected to the last one.
Share the student’s current course, unit, and main difficulty. We can discuss whether ongoing course support, focused review, or AP exam preparation is the right fit.