Mistrealm
Dice
DICE
Dice rolls are described with expressions such as "3d4+3," which means "roll three four-sided dice and add 3" (resulting in a number between 6 and 15). The first number tells you how many dice to roll (adding the results together). The number immediately after the "d" tells you the type of die to use. Any number after that indicates a quantity that is added or subtracted from the result.
d%: Percentile dice work a little differently. You generate a number between 1 and 100 by rolling two different ten-sided dice. One (designated before you roll) is the tens digit. The other is the ones digit. Two 0s represent 100.
A brief history of dice
Chessex the coolest dice on the planet
d8 of Fate Outcome randomizer
Dungeons & Dragons Dice Roller
Hit Point Roller
Roll a page of d20s
Wikipedia entry for dice
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