yo-ho-yo-ho This calculator doesn't have every tone.and i arrange for easy to play. So..This cover is little different. But i hope you like it.. Thank you for watching(*´∇｀*) (All my videos)→https://www.youtube.com/channel/UCbvQHCZJHHS4PJpatQGH-0w (Twitter)→http://twitter.com/zk_oj New(instagram)→ https://www.instagram.com/it.is.a.small.m.world 【I open Patreon. You can be my patreon here.】 https://www.patreon.com/user?u=9035159 New(musical.ly)https://www.musical.ly/v/MzQyMDEyNzA5MzAzNzY0MjY5NTA2NTY.html This calculator name is maybe AR-7778.