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Annual Percentage Rate Calculation Program for Windows (APRWIN)
The Windows-based version of the Annual Percentage Rate program (APRWIN v6.2 - Released May 2008) is an efficient tool for verifying annual percentage rates and reimbursement adjustments. This version includes relevant finance charge and APR tolerances for verifying the accuracy of annual percentage rates and finance charges on loans secured by real estate or a dwelling.
The APRWIN program is only available for download.
For questions about the APRWIN application, please provide a detailed description of the issue, your operating system, your name and a contact number via e-mail to APRAssistance@occ.treas.gov.
You can also provide comments and feedback to the address below:
Office of the Comptroller of the Currency
Although great care has been taken in the preparation of this APRWIN program, the OCC makes no warranty of complete accuracy. Further, the OCC does not recommend this program over other methods to calculate annual percentage rate.
The APRWIN installation will automatically uninstall any earlier version of the APRWIN program from your computer. If you have APRWIN Version 5.0 and would like to keep this version, please follow the steps below before installing this new version.
Download the Program
To download APRWIN to your machine, follow the instructions below. (Note: The file size is approximately 4MB.)
Please note that the APRWIN application is not currently supported on Windows Vista.