First calculator for laptops and PC
Supports Windows XP, 7, 8 and 10
More information at http://cryptocalco.in
https://www.youtube.com/watch?v=S5E4bC4H1_4
Bitcoin.com is just one domain name used to promote Bitcoin. Bitcoin.com is not an official website. Just like nobody owns the email technology, nobody owns the Bitcoin network.
As such, nobody can speak with authority in the name of Bitcoin.