Pulling values to a text box from active cell with clicked the Command button

Hi,

I am new to VBA and don't know how to write a code for this action. I have designed a payment calculator. What I want to do is the Command button when clicked I want the values from a active cell to be called in a Text Box. I am not sure how to start. Any help would be greatly appreciated.

I am attaching here with file for your reference.

Thanks,

use the following attached file...

i hope it is useful to you...

Thanks & Regards
CA Mahaveer Somani