Spindle

Learn AP Computer Science Principles with Confidence

An integrated learning platform with built-in IDE, comprehensive documentation, and exam prep resources designed for students, teachers, and self-learners.

Start Learning Try IDE

learn.spdl

PROCEDURE SAY_HI (excitement) {
    REPEAT excitement TIMES {
        DISPLAY("Hi!")
    }
}

SAY_HI(3)

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Built for AP CSP

Practice with syntax that mirrors the actual AP CSP exam environment.

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Interactive IDE

Write, test, and debug your code in our built-in development environment.

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Comprehensive Learning

Access detailed documentation, tutorials, and exam preparation materials.

Why Choose Spindle?

clinical_notes

Matches AP CSP Reference Sheet

Practice with code that looks exactly like what you'll see on exam day, reducing surprises and building confidence.

school

Purpose-Built for AP CSP

Designed specifically to help students master the programming concepts tested on the AP CSP exam.

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Interactive Learning

Write, test, and debug code in our built-in IDE, getting immediate feedback on your solutions.

AP CSP Exam Preparation

Master the AP CSP exam with practice problems, coding exercises, and study resources that match the actual exam format.

Practice Problems

Work through problems that mirror the style and difficulty of AP CSP exam questions.

Basic Concepts

✓ Variables and Assignment
✓ Logical Operators
✓ Control Structures

Advanced Topics

✓ Functions and Procedures
✓ Lists and Operations
✓ Algorithm Analysis

Exam Format

Understand the structure and requirements of the AP CSP exam.

Exam Components

• Multiple Choice Questions (70 questions, 2 hours)
• Create Performance Task (12 hours, submit program)
• Reference Sheet Available During Exam

Study Resources

Access comprehensive materials to help you prepare effectively.

📚 Learning Guide

Complete documentation of all exam topics

💻 Practice IDE

Write and test code in exam format

Ready to Practice?

Start with our interactive coding environment that mirrors the AP CSP exam format.

Launch Code Editor