This is a module for OXID eShop to round the price on product details page to five Rappen/Cent (whatever currency you use). Might be important for example for Switzerland (AKA CH). This module is published under GPLv3 license and can be used in any OXID eShop edition. As usual: no warranty, not for the code nor for legal aspects. No support provided.
This module was made for educational purposes. You'll find a blog post with a tutorial/workshop here: http://www.marco-steinhaeuser.de/how-to-write-a-module-for-oxid-eshop-round-the-price-on-product-details-page-to-a-fivy.html