The Nanopool Calculator Extension is a free Chrome add-on developed by Xzen. It enhances the functionality of the nanopool.org website by providing additional calculations. These calculations are based on the values directly from nanopool.org and the values set in the user's options.

With the Nanopool Calculator Extension, users can easily install the add-on and set up their options to customize the calculations. After installation, a link appears on top of the calculation table, allowing users to conveniently access the additional calculations.

This extension is particularly useful for those involved in Ether mining, as it provides valuable calculations and insights to optimize mining efficiency. It extends the functionality of nanopool.org, making it a valuable tool for miners.

Overall, the Nanopool Calculator Extension is a useful add-on for Chrome users involved in Ether mining, providing additional calculations based on nanopool.org data and user-defined options.