Hello William aka @donglondon. I see you are new here and like to post your papers on what you learn. This is good and we hope you will also post on your other interests, talents, experiences because this is what make steem so beautiful. Steemers also love to see photos/videos in with stories, poems or whatever you love writing about. You can also get rewards for commenting on other posts and many other interesting opportunities

Welcome to Steemit, @

Steemit may seem difficult but once you learn how it works it'll be eazy-peazy