Features and Functions of QTP

I would like to know in detail about:

1) Features and Functions of QTP

2) InBuilt Features? menus Provided by QTP

Thanks,
Asha

[b]Question asked by visitor Asha[/b]

Features and Benifits of QTP

1.Operates standalone
2.Easier maintenance
3.Powerful data-driving capability
4.Recognize the objects with Unique Smart Object Recognition

Features

1.We can have the use of easy Regular Expressions
2.Load Function Libraries at Run Time
3.Test Your GUI and UI-Less Application Functionality in One Test
4.Embed/Run Javascript in web pages
5.Automatically Parameterize Steps

Some in-built functions of QTP

1.Asc Function: Returns the ANSI character code corresponding to the first letter in a string.
2.FormatNumber Function: Returns an expression formatted as a number.
3.CStr Function: Returns an expression that has been converted to a Variant of subtype String.
4.TypeName Function: Returns a string that provides Variant subtype information about a variable
5.ScriptEngine Function: Returns a string representing the scripting language in use.