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module 7

A function is similar to a normal procedure but the main purpose of the function is to accept  a certain input and return a value, which is passed on to the main program to finish the  execution. There are two types of functions, the built-in functions (or internal functions) and  the functions created by the programmers.  The general format of a function is   FunctionName (arguments)  The arguments are values that are passed on to the function.  In this Chapter, we are going to learn two very basic but useful internal functions of Visual  Basic, i.e. the MsgBox( ) and InputBox ( ) functions.  Summary  You learned that a function is a procedure that accepts an input and returns a value,  which is passed on to the main program to finish the execution. You also learned  that the format of a function is FunctionName (arguments).  In section 10.1, you learned to use the Msg () function to produce a popup  message box...
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Module 5

Computers can perform mathematical calculations much faster than human beings.  However, the computer itself will not be able to perform any mathematical calculations  without receiving instructions from the programmer. In VB2010, we can write code to  instruct the computer to perform mathematical calculations such as addition, subtraction,  multiplication, division and other kinds of arithmetic operations. In order for VB2010 to  carry out arithmetic calculations, we need to write code that involves the use of various  arithmetic operators. The VB2010 arithmetic operators are very similar to the normal  arithmetic operators, only with slight variations. The plus and minus operators are the  same while the multiplication operator use the * symbol and the division operator use the /  symbol. The list of VB2010 arithmetic operators are shown in table 5.1 below: Summary  In this chapter, you learned how to use various mathematical operators...
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Module 2

Lesson 1. Visual Basic 2010 is the latest version of Visual Basic launched by Microsoft in 2010. Visual Basic  2010 is a full fledged Object-Oriented Programming (OOP) Language, so it has caught up with  other OOP languages such as C++, Java,C# and others. However, you don’t have to know OOP to learn VB2010. Visual Basic 2010 Express Edition is  available free for download from the Microsoft site. Go to the link http://www.microsoft.com/visualstudio/en-us/products/2010-editions/visual-basic-express The Integrated Development Environment when you launch VB2010 Express is shown in the  diagram below. The IDE Start Page consists of a few sections, namely:  The New Project/Open Project section.  The Recent Projects section that shows a list of projects that have been created by you  recently.  The Getting Started Pane- It provides some helpful tips to quickly develop your  applications.  The Latest News section- It provides latest online news about Visual B...
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