How to reset a Casio fx-115 ES calculator?

There is no reset on on it and I don't know how to reset it, I changed the mode and now I can't use the shift or alpha ons and all the answers come out as decimals. Also, I have no idea how to change fractions to decimals. The calculator didn't come with a manual, and please DO NOT post a user manual. I hate the top contributor people because all they do is post a link and leave. Please, only answer if you really know about this calculator and how to fix it.