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Sunday, 12 February 2017





The theory of function of a complex variable also called for brevity complex variables or complex analysis, is one of the beautiful as well as useful branches of mathematics. Although originating in an atmosphere of mystery, suspicion and distrust, as evidenced by the terms imaginary and complex present in the literature, it was finally placed on a sound foundation in the 19th century through the efforts of the Cauchy, Riemann, Weierstrass, Gauss and other great mathematicians. This book is designed for use as a supplement to all current standards texts or as a textbook for a formal course in complex variable theory and applications. It should also be of considerable value t;o those taking course in mathematics, many other fields and Engineering.  Moreover, each chapter of this book starts with a clear statement of pertinent definitions, principles and theorems together with illustrative and other descriptive material. This is followed by graded sets of solved and supplementary problems. 

About:

Book Name: Complex Variables
Author: Murray R Spiegel, Seymour Lipschutz, John J Schiller, Dennis Spellman 
Page Number: 385
File Format: PDF
File Size: 03 MB



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Thursday, 5 January 2017


 Introductory Circuit Analysis 11th Edition By Robert L. Boylestad

This is the solution manual of Introductory Circuit Analysis book. This solution book is very helpful for the engineering students who are studying at undergraduate level. This book is for students of every engineering department. Most teachers fail to convince the students about their lecture. For this reason, students get more pain and they are falling in trackless way. To overcome this depression students can use this solution manual. All the solution of circuit diagram drawn and solved using easy method. This book is mainly based on the circuit diagram. There are a lot diagram and all the diagram's solution available here.  This solution manual helps you to learn all the maths and theoretical questions. Moreover, For getting more number you must have to get idea about each chapter from these book. In that case this manual also help you. So Be patience and read this book and Practice all the maths attentively.


About: 

Name:  Introductory Circuit Analysis 11th Edition
Author: Robert L. Boylestad
Page: 354
size: 8MB


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Friday, 23 December 2016

Digital Logic Design by M. Morris Mano & Michael D. Ciletti



Logic design fundamentals and computer design fundamentals are the topics of this book. Logic design deals with the basic concepts and tools used to design digital hardware consisting of logic circuits. Computer design deals with the additional concepts and tools used to design computers and other complex digital hardware. Computers and digital hardware in general are referred to as digital systems. Thus, this book is about understanding and designing digital systems. Due to its generality and complexity, the computer provides an ideal vehicle for learning the concepts of, and tools for, digital system design. In addition, due to its widespread use, the computer itself is deserving of study. Hence, the focus in this book is on computers and their design. Moreover, This is the best book to learning about the Number system, Base conversion, Binary Coded Decimal, Gray Code, Boolean Algebra & Logic Gates, Sequential Circuit, Counter etc. There are many Example and exercise given in this book and all the examples implies very clearly for your better understand. In my sense this book will be very helpful for you.


About:

Name: Digital Logic Design
Authors: M. Morris Mano & Michael D. Ciletti
Edition: 3rd and 4th (Both)
Size: 56 MB (3rd) & 55 MB (4th)
Page Number: 394 (3rd) & 599 (4th)



Contents : 

1. Digital System And Binary Numbers
2. Boolean Algebra & Logic Gates
3. Gate-Level Minimization
4. Combinational Logic
5. Synchronous Sequential Logic
6. Registers and Counters
7. Memory and Programmable Logic
8. Design at the register Transfer Level
9. Asynchronous Sequential Logic
10. Digital Integrated Circuits
11. Laboratory Experiments With Standard ICs and FPGAs
12. Standard Graphical Symbols
13. Index



                               Download                  Download
                                          (3rd Edition )                         (4th Edition) 


Saturday, 12 November 2016


[Solution] Fundamentals of Electric Circuits, 4th Edition by Alexander & M sadiku

This is the solution manual of Electrical Circuits. It will helps you to solve all section's problem from the book. Who are weak in Circuit and couldn't solved the problem from Electrical Circuit Problems book, this solution manual will help them. All the problems from the book have done in this solution using easy and shortcut method. For this reason, if you don't have any idea about physics formula, you are not able to understand the shortcut method of this solution manual. Its will be better for you that memorize all the formula of Physics like Kirchhoff's Current Law, Kirchhoff's Voltage law, Ohm's law, Current divider , voltage divider formula etc. Hope you will like this solution manual.  Although all the problems are solved in a shortcut method for these reason you must have knowledge on how to became series line and parallel line and also idea on what is branch, node,mesh? etc. If you known all these things than you can easily understand and solved circuits problems using these solution manual.  


About Solution Book:

Title: Solutions Manual of Fundamentals of Electric Circuits 
Author : Alexander & M sadiku 
Edition: 4th 
Total Page: 1972 (Pdf)

Size : 16.6 MB


Content:

  • DC Circuits Part 
1. Basic Concepts
2. Basic Laws
3. Methods of Analysis
4. Circuits Theorem
5. Operational Amplifiers
6. Capacitors and Inductors
7. First-Order Circuits
8. Second-Order Circuits
  • Ac Circuits Part 
9. Sinusoids and Phasors
10. Sinusoidals Steady-Stats Analysis
11. AC Power Analysis
12. Three Phase Circuits
13. Magnetically Coupled Circuits
14. Frequency Response

  • Advance Circuit Analysis 
15. Introduction To the Laplace Transformation
16. Applications of the Laplace Transformation
17. The Fourier Series
18. Fourier Transform
19. Two-Port Networks



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(you can also read this book online)


Thursday, 6 October 2016


Compared to other standard circuit textbooks which are available out there, this one has done an excellent job. It is written in a readable style that is so rare among textbooks in this field. The flow from topic to topic is straightforwardly continuous and the reading can even be very enjoyable (especially the introduction to each chapter). I very much wish there were more circuit textbooks written like this one, so that you can read and learn by yourself. But very unfortunately, most of them are extremely unreadable and so un-transparent in their presentation of fundamental concepts. For this reason, I think, Alexander's book deserves even more credit.t explains the concepts very clearly and maybe used for signals too, when studying Fourier and Laplace transforms. The authors do a superb job and make challenging concepts sound easy for the student. Extremely organized and well prepared book.


About Book:
Title: Fundamentals_of_electric_circuits_4thed
Author : Charles K. Alexander and Matthew N.O. Sadiku
Edition: 4th
Total Page: 528
Size : 15 MB

Content:


  • DC Circuits Part 
1. Basic Concepts
2. Basic Laws
3. Methods of Analysis
4. Circuits Theorem
5. Operational Amplifiers
6. Capacitors and Inductors
7. First-Order Circuits
8. Second-Order Circuits

  • Ac Circuits Part 
9. Sinusoids and Phasors
10. Sinusoidals Steady-Stats Analysis
11. AC Power Analysis
12. Three Phase Circuits
13. Magnetically Coupled Circuits
14. Frequency Response

  • Advance Circuit Analysis 
15. Introduction To the Laplace Transformation
16. Applications of the Laplace Transformation
17. The Fourier Series
18. Fourier Transform
19. Two-Port Networks



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Wednesday, 13 July 2016


[Solution] Elementary Differential Equations and Boundary Value Problems  by Boyce & Diprima - 9th Edition

This is the solution manual of Elementary Differential Equations and Boundary Value Problems. It will helps you to solve all section's problem from the book. Who are weak in math and couldn't solved the problem from Elementary Differential Equations and Boundary Value Problems book, this solution manual will help them. All the problems from the book have done in this solution using easy and shortcut method. For this reason, if you don't have any idea about mathematics formula, you are not able to understand the shortcut method of this solution manual. Its will be better for you that memorize all the formula of mathematics like algebraic formula, geometry's formula, calculus formula etc. One most important things never fully dependent on this solution book it will be short your brain because in this solution they tried to solved all problems very shortly. For this reason my suggestion is try to give full concentration on your class lecture. That will be very helpful for you because your class teacher solved all the problems broadly and  will be discussed every part of the problems. If you never do that your home work or never understand your teachers description than you can follow these solution manual. Hope you will like this solution manual.  


About Solution Book:

Title: Elementary Differential Equations and Boundary Value Problems 
Author : by William E. Boyce, Richard C. DiPrima
Edition: 9th 
Total Page: 288

Size : 2 MB



Content: 

• Introduction
• First Order Differential Equations
• Second Order Linear Equations
• Higher Order Linear Equations
• Series Solutions of Second Order Linear Equations
• The Laplace Transform
• Systems of First Order Linear Equations
• Numerical Methods
• Nonlinear Differential Equations and Stability
• Partial Differential Equations and Fourier Series
• Boundary Value Problems and Sturm–Liouville Theory
• Index



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(you can also read this book online)




Elementary Differential Equations and Boundary Value Problems by William E. Boyce, Richard C. DiPrima

This book is based on ordinary and Partial differential equations and boundary value problems. This book is primarily designed for undergraduate students of mathematics, science and engineering, who typically take a course on differential equations during their first or second year of study. The main prerequisite for reading the book is a working knowledge of calculus, gained from a normal two or three semester course sequence or its equivalent. Some familiarity with matrices will also be helpful in the chapters on systems of differential equations.  With respect to content, we provide this flexibility by making sure that, so far as possible, individual chapters are independent of each other. Thus, after the basic parts of the first three chapters are completed (roughly Sections 1.1 through 1.3, 2.1 through 2.5, and 3.1 through 3.5), the selection of additional topics, and the order and depth in which they are covered, is at the discretion of the instructor. Chapters 4 through 11 are essentially independent of each other, except that Chapter 7 should precede Chapter 9 and that Chapter 10 should precede Chapter 11. This means that there are multiple pathways through the book and many different combinations have been used effectively with earlier editions.

About Book:

Title: Elementary Differential Equations and Boundary Value Problems 
Author : by William E. Boyce, Richard C. DiPrima
Edition: 9th 
Total Page: 738
Size : 4 MB

Content: 

• Introduction
• First Order Differential Equations
• Second Order Linear Equations
• Higher Order Linear Equations
• Series Solutions of Second Order Linear Equations
• The Laplace Transform
• Systems of First Order Linear Equations
• Numerical Methods
• Nonlinear Differential Equations and Stability
• Partial Differential Equations and Fourier Series
• Boundary Value Problems and Sturm–Liouville Theory
• Index



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(you can also read this book online)



Monday, 6 June 2016


Fourier and Laplace Transforms By R.j. Beerends, H.G. ter Morsche, J.C. Van den Berg and E.M. Van de Vrie

Fourier and Laplace transforms are examples of mathematical operations which can play an important role in the analysis of mathematical models for problems originating from a broad spectrum of fields. These transforms are certainly not new, but the strong development of digital computers has given a new impulse to both the applications and the theory. The material in this book is subdivided into parts. Each part consists of a number of coherent chapters covering a specific part of the field of Fourier and Laplace transforms. Sections contain such items as definitions, theorems, examples, and so on. These are clearly marked in the left margin, often with a number attached to them. For almost all theorems proofs are given following the heading Proof. The end of a proof is indicated by a right-aligned black square: . In some cases it may be wise to skip the proof of a theorem in a first reading, in order not to lose the main line of argument. The proof can be studied later on. Examples are sometimes included in the running text, but often they are presented separately. In the latter case they are again clearly marked in the left margin (with possibly a number, if this is needed as a reference later on). The end of an example is indicated by a right-aligned black triangle: . Mathematical formulas that are displayed on a separate line may or may not be numbered. Only formulas referred to later on in the text have a number (right-aligned and in brackets).

About Book:

Title: Fourier and Laplace Transforms
Author : R.j. Beerends, H.G. ter Morsche, J.C. Van den Berg and E.M. Van de Vrie 
Published: 2003

Total Pages: 459

Size : 02 MB

Content: 

• Applications and Foundations
• Fourier Series 
• Laplace Transformers 
• Discrete Transforms 
• Literature 
• Tables of Transformers and Properties 
• Index 



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A First Course in Differential Equations with Modeling Applications By Dennis G. Zill


This book is mainly focus on Differential Equations and Modeling application. The authors of this book tried to write this book easily for better understand of the students. But Beginner level students have been facing some problems to solve this math because most of the section are formed with Partial Differential, First order Differential Equations, Second Order or Higher Order Differential Equations and Boundary Equations problems. So that If you have don't have any previous idea about differential method you are not able to understand the math of this book and if you don't able to solve these differential problem from these book , you can't learn the modeling application which are solved using differential method. Moreover,  In this book, Authors do not leave much space for explanations and examples, the explanations this book does provide are extremely difficult to follow, and the examples given are mostly skipping over a majority of the steps involved in solving the problems. For this reason, Beginners level students needs a guide or decent teacher to helps you solve this math. On top of everything, You must have interest in learning. If you want to learn something than you have to practicing the math more and more time. More practicing makes a student perfect. 


About Book:

Title: A First Course in Differential Equations with Modeling Applications
Author : Dennis G. Zill

Last Published: 2013

Edition: 10th

Total Pages: 489

Size : 12 MB

Content: 

• Introduction To Differential Equations 
• First-Order Differential Equations
• Modeling With First-Order Differential Equations
• High-Order Differential Equations
• Modeling with Higher-Order Differential Equations
• Series Solutions of Linear Equations 
• The Laplace Transform
•  System of Linear First-Order Differential Equations
• Numerical Solutions of Ordinary Differential Equations
• Appendixes 


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(you can also read this book online)

Wednesday, 11 May 2016


District Wise EIIN Code of Bangladesh

To know your Institute EIIN number Click your Desire District: 



BAGHERHAT            BANDARBAN      BARGUNA     BARISAL      BHOLA        BOGRA

BRAHAMANBARIA       CHANDPUR     CHITTAGONG       CHUADANGA      COMILLA

COX’S BAZAR         DHAKA          DINAJPUR           FARIDPUR           FENI          GAIBANDHA

GAZIPUR              GOPALGANJ         HABIGANJ         JAMALPUR       JESSORE       JHALOKATI

JHENAIDAH          JOYPURHAT          KHAGRACHHARI          KHULNA         KISHOREGANJ

KURIGRAM        KUSHTIA           LAKSHMIPUR              LALMONIRHAT        MADARIPUR

MAGURA             MANIKGANJ          MAULVIBAZAR           MEHERPUR             MUNSHIGANJ

MYMENSINGH              NAOGAON          NARAYANGANJ          NARSINGDI          NATORE

NAWABGANJ             NETRAKONA           NILPHAMARI          NOAKHALI        NORAIL

PABNA            PANCHAGARH             PATUAKHALI           PIROJPUR              RAJBARI

RAJSHAHI                 RANGAMATI          RANGPUR          SATKHIRA            SHARIATPUR

SHERPUR       SIRAJGANJ            SUNAMGANJ              SYLHET               TANGAIL

THAKURGAON



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