David S. Kahn Books

Cracking the AP calculus BC exam
Cracking the AP calculus BC exam

By David S. Kahn

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Provides a review of relevant math topics and test-taking tips, and also includes three practice tests with answers.

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High School Math Iii Review
High School Math Iii Review

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Cracking the AP Calculus AB BC exams
Cracking the AP Calculus AB BC exams

By David S. Kahn

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Provides a review of the relevant math topics, test-taking tips, and five practice tests with answers.

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Related Articles from our Blog

What is an EAN and How Does it Relate to an ISBN?

If you’ve ever purchased a product online or in a store, you’ve likely come across a barcode. Behind these barcodes lies a standardized system that makes modern commerce possible. Two key codes often encountered are the EAN (European Article Number) and ISBN (International Standard Book Number). But what are they, how are they connected, and why are they so crucial? Let’s explore.

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