Khalil Ahmad Books

Functional Analysis

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The book is intended to serve as a textbook for an introductory course in functional analysis for the senior undergraduate and graduate students. It can also be useful for the senior students of ap...

Jain

By Khalil Ahmad, P.K. Jain

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Metric Spaces

By P. K. Jain, Khalil Ahmad

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Introduction to Functional Analysis with Applications

By A. H. Siddiqi, Khalil Ahmad, P. Manchanda

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Current trends in industrial and applied mathematics

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Contributed seminar articles with reference to India.

Introduction to Topology

By Khalil Ahmad

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Differential Geometry Functional Analysis and Applications

By Khalil Ahmad, Mohammad Hasan Shahid, Khursheed Haider, M. Rais Khan, Sharfuddin Ahmad

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Pakistan men riyasati ashrafiyah ka uruj

By Khalil Ahmad

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Critical study of aritocracy in Pakistan politics and government.

Wavelet Packets and Their Statistical Applications

By Khalil Ahmad, Abdullah

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Wavelet Packets and Their Statistical Applications

By Khalil Ahmad, Abdullah

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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.