Greek              Measures option price sensitivity to changes in:

Delta               Underlier Price

Gamma            Underlier Price

Vega                Underlier Volatility

Theta               Time to Expiration

Rho                   Interest Rate

Risk is either of increased funding cost for borrowers, or of reduced yields for investors. Short-term volatility and the unpredictability of interest rates led the banks and the financial exchanges to create ' an explosion' of financial instruments. Each of these instruments has a different set of characteristics for hedging interest rate risk on both loans and deposits, in different global currencies in both the short and long term.

Python can be downloaded from http://python.org

For unix platforms download the .tgx file , extract the files and go to the main directory. Build Python by performing the following:

1. ./configure
2. make
3.  make install

Python is usually installed in a standard location so you can find it rather easily. It has become quite common place for systems today to have multiple versions of Python installed. While it is easy to find the binary executable, you also have to deal with where the libraries are installed. 

 Activity Stream builds a lifestream for you by aggregating your social activities all in one place. 

Twitter,FlickrFacebook,Digg,Delicious,YouTube and more

Download module,

Http://drupal.org/project/activitystream 

and install into ../sites/all/modules

once installed then activate it.

Admin/sitebuildsing/modules/activitystream,  activate all modules and save

configurations. 

goto site configuration. and install username and password 

• Configure the stream's title
• Configure Username and Rss Feeds.
• Refresh Cron.php
• Add the activity screen in a block

Advance uses

In order to get better control of OG details Block. For example

To hide "invite Friend"

Change a string where it sayd Group to Classes

Uploading large files via filefields.

You need to changed the memory limit in php.ini and modify the drupal root .htaccess file to permit this

The start of the .htaccess file now looks like this. 

php_value post_max_size 51m
php_value max_input_time 2680
php_value upload_max_filesize 50m
php_value upload_tmp_dir /tmp
php_value memory_limit 110m

additional settings in php.ini 

max_execution_time,

max_input_time,

post_max_size,

memory_limit