I have added new feature and made my old Steem Power Interest Calculator more accurate.
For those who don't know this tool allows you to calculator the amount of Steem Power you will gain after a amount of time as interest on your existing Steem Power.
You can find the calculator here.
Hope you found it useful.
Side Note: Yesterday I made 1 post writing an article for a long time but after pressing post it did not appear on Steemit. I don't have a backup of that post and is there anyway to get it back? I think it was a problem with Steemit since no new posts were created in that period. Anyone have any ideas?