This bot takes data from nanopool API to provide information about profitability for the most popular GPUs (RX470/480 and GTX1060/1070) mining the biggest cryptocurrencies available in nanopool (ETH, ETC, ZEC, XMR). The information is available in a telegram bot (telegram.me/CryptoMiningCalculatorBot), where users can ask for the best mining choice or for a comparation of all of the mining options for a single GPU series, they also can ask for an invitation to a Telegram channel (https://t.me/CryptoMiningCalculator), where information is posted every 12 hours.