Hello! First of all, great website! The virtual soroban on the tutorials page was very helpful for learning how to use the soroban. I'm working on my own webseries called Animus Anthem about math, science, and engineering ( http://www.animusanthem.com and at ...
Due to a bug in the forum software, your message has been partially lost. So you are free to repost as you wish the complete message.
But yes, of course you can use it in your video.