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CHAPTER 1 Introduction to Financial Modeling W hat is a financial model What is the difference between a financial model and the spreadsheet solutions you create or VBA programs you write all the time to answer financial questions or solve financial problems A simple practical answer is that a financial model is designed to represent in mathematical terms the relationships among the variables of a financial problem so that it can be used to answer what if questions or make projections Some of the spreadsheet solutions that people create capture some of these relationships as well and therefore can answer what if questions to some extent But because they are not primarily designed with these objectives in mind they do not try to capture as many of these interdependencies as possible and their structures often make it cumbersome to answer what if questions or make projections with them This may sound a little abstract So let us look at a simple concrete example Suppose you are using a spreadsheet to calculate based on your taxable income what your after tax Continue to download »

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Introduction to Chemistry Chemistry is the central science It s the foundation upon which all other sciences are based embraces all other sciences It s the study of properties and changes of matter and its interactions with energy Beauty of chemistry lies in its ability to simplify a seemingly terrifyingly complex universe where everything is constantly changing on one time scale or another into few fundamental principles that enable us to understand appreciate and change our world 1 1 Chapter Concept Map 1 Copyright 2007 by Concise Books Publishing LLC Visit us at www concisechem com to download other free chapters from The Concise Guide to Chemistry C H A P T E R 1 I N T R O D U C T I O N T O C H E M I S T R Y 1 2 Study of Chemistry Chemistry is the study of matter and changes that it undergoes It is the study of elements the compounds that they form and reactions that they undergo Chemistry enables us to comprehend how the world works so that we can appreciate its beauty modify aspects of it and create new materials Inquisitive Chemist 1 Continue to download »

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The purpose of these tutorials is not to teach you Microsoft Access, but rather to teach you some generic information systems concepts and skills using Access. Of course, as a side effect, you will learn a great deal about the software enough to write your own useful applications. However, keep in mind that Access is an enormously complex, nearly- industrial-strength software development environ- ment. The material here only scrapes the surface of Access development and database programming. 1.1 Continue to download »

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Fundamentals and concepts Using the Globus Toolkit OGSA introduction Grid computing, most simply stated, is distributed computing taken to the next evolutionary level. The goal is to create the illusion of a simple yet large and powerful self managing virtual computer out of a large collection of connected heterogeneous systems sharing various combinations of resources. The standardization of communications between heterogeneous systems created the Internet explosion. The emerging standardization for Continue to download »

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0 Introduction Access is a ubiquitous database running on Microsoft Windows. It is usually used by a single user. Access provides an intuitive graphical user interface that enables you to create tables and insert, update, and delete data from the windows without using the SQL commands. However, to develop database applications using Java, you still have to learn and use SQL. This tutorial demonstrates using SQL with Continue to download »