Qingkai Kong Books

A Short Course in Ordinary Differential Equations

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This text is a rigorous treatment of the basic qualitative theory of ordinary differential equations, at the beginning graduate level. Designed as a flexible one-semester course but offering enough...

A Short Course in Ordinary Differential Equations

By Qingkai Kong

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Python Programming and Numerical Methods: A Guide for Engineers and Scientists

By Qingkai Kong, Timmy Siauw, Alexandre Bayen

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Python Programming and Numerical Methods

By Qingkai Kong, Timmy Siauw, Alexandre Bayen

Average: 0.00, 0 Ratings

Short Course in Ordinary Differential Equations

By Qingkai Kong

Average: 0.00, 0 Ratings

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.