Key Concept Questions: AP Statistics

Euler’s Number (e) Explained

AP CSA 期末考试

An introduction to AP CSA (2026)

Learn Java with Fun

 Application Program Interface (API)

 File handling in Java 

Wrapper classes

Platonic solid

科学的学习方法&个人知识管理

《The Princeton Companion to Mathematics》

Oxford

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Unit 1 : Polynomials

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TOPIC 1： Integer

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CIE 9709 P1真题词汇

CIE 9709 Probability and Statistics真题词汇

Wilcoxon Signed-Rank Test in Details

Non-parametric tests

Statistics Key  Concepts and Selected Questions (*_*)

Euclid Resources

Java Quick Reference

2025 CSA  Quick Review

CSA UNIT 1: Primitive Types

CSA UNIT 2: Using Objects

CSA UNIT 3: Boolean Expressions and if Statements

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CSA UNIT 5: Writing Classes

CSA UNIT 6:  ARRAY

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CSA UNIT 9: Inheritance (旧大纲)

CSA UNIT 10: Recursion

BMO Resources

STEP topic questions: Probability

STEP topic questions: Number Theory

Sentence Diagramming

Entity-relationship (E-R) diagrams

Sixth Term Examination Paper (STEP)

Java List Vs arrayList

Sample Variance and Population Variance

Chapter 9: Inferential Statistics

Chapter 10: Chi-squared Tests

Chapter 11： Non-parametric tests

Chapter 12: Probability Generating Functions

Chapter 13:Projectiles

Chapter 14:Equilibrium of a rigid body

Chapter 15: Circular Motion

Chapter 16:Hooke’s Law

Chapter 17:Linear motion under a variable force

Chapter 18:Momentum

Key Points for Paper 9618_s23_qp_11

AP CSA: Selected Recursive Questions

Pseudocode Questions from Past Papers

AP CSA: Recursion

AP CSA: Binary Search and Merge Sort (Recursion)

An introduction to Java

Basic Pseudocode Questions (1)

Basic Pseudocode Questions (2)

Basic Pseudocode Questions (3)

Basic Pseudocode Questions (4)

40 complete and executable pseudocodes

40 complete and executable Java codes matching the pseudocodes

AP CSA: inheritance in Java（旧大纲）

2024-2025上学期期中考试详解

Unit 1: Information representation

IGCSE 0580

A-Level 9709

A-Level 9231

AMC-BMO

MAT-STEP

CIE 9618

AP CSA

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9709 P3 : Differentiation

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