A widget that rolls random numbers of the form NdX+/-M or NeX+/-M as set in the admin widget panel.
A: You can comment here Dice Roller
A: NeX indicates that the result is from exploding dice
A: Exploding dice is a term describing a dice mechanic wherein maximum results are added and generate an additional roll
A: Not currently, each time the page is reloaded the result changes.
A: See comments here: Dice Roller