Book excerpt: Barron's Math 360 provides a complete guide to the fundamentals of pre-calculus. Whether you're a student or just looking to expand your brain power, this book is your go-to resource for everything pre-calculus. Carefully designed for optimal learning, you'll find: Comprehensive content, including instructive illustrations and examples that simplify complex concepts, Extensive review and practice to check your understanding, Online practice questions to take your study a step further Book jacket.