Weinfeld, Mark Books

Sat Math Workbook/Scholastic Assessment Test

By Arco Publishing, Brigitte Saunders, Mark Weinfeld, David Frieder, Frieder, David, Saunders, Brigitte, Weinfeld, Mark, Saunders, Brigitte. Mathematics Workbook For The SAT

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Contains three sample SAT math reasoning tests with explanations, coverage of all required math concepts, and test-taking strategies

Peterson'S Act Math Flash 2001: Proven Techniques For Building Math Power For The Act

By Mark Weinfeld, Weinfeld, Mark

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Shows what to expect on the ACT mathematics test and helps build key math skills and concepts using two sample tests.

How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

If you’re in the world of books—whether as a publisher, librarian, bookseller, or avid collector—you’ve likely come across the terms ISBN-10 and ISBN-13. Understanding these formats and knowing how to convert between them is essential for maintaining consistency and compatibility in book records. In this post, we’ll cover everything you need to know about ISBN conversions, step by step.

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.