What is online currency & cryptocurrencies exchange rates calculator?
Could you please elaborate on what an online currency and cryptocurrencies exchange rates calculator is? I'm curious to understand how it functions and what role it plays in the cryptocurrency market. Specifically, I'm interested in knowing how it determines the exchange rates between different digital currencies and fiat currencies. Additionally, I'd like to know if it's a reliable tool for making informed decisions regarding cryptocurrency investments. Could you provide a brief description of its key features and how users can benefit from utilizing such a calculator?