Civilised commands adds many useful commands to improve your minecraft day
/GetDim will give you the current dimension that you are in
/Cal is a build in calculator command it allows for decimals too for example /cal 1.1 + 1 it excepts /,*,-,+
/Coords will tell you your coords encase you dont have a minimap
/TotalArmor is a command that will print your total armor level in chat
this information can also be got in game using the /Civilisedhelp
if you have any other ideas just post them below issue will be dealt with through github here https://github.com/johnfg12/Civilised-Commands
this is also the source code :) please use how you see fit all i ask is you dont sell it