A good definition of the T accounts:  
http://en.wikipedia.org/wiki/T_account   

Would you like to see or show the impact of your accounting entries
on the Financial Statements?

Use T-Accounts. TRY IT NOW!

Our T-Accounts application is well suited for the accounting professionals and
"would be" accounting professionals (Students). Students can do their
assignments using T-Accounts. 

If you are in the school for an accounting, finance or business major,
preparing for AICPA, CMA or CFA examinations, you will greatly benefit from
our T-Account application.

Entries made to the T- Accounts flow to the trial balance on a worksheet and
from there, depending on the account type,  to either the income statement
or the balance sheet columns of the worksheet. 

For just $9.88 a year, place in your professional tool box, a very effective and
easy to use T-Account application.

To download  the T-Account, go to the Products page.       
To Register your T-Account, go to the Registration Page.