These rules use the following die notations:
d4 = four sided die
d6 = six sided die
d8 = eight sided die
d10 = ten sided die
d12 = twelve sided die
d20 = twenty sided die
d% = percentile dice (a number between 1 and 100 is generated by rolling two different ten-sided dice. One (designated before rolling) is the tens digit. The other is the ones digit. Two 0s represent 100.)
Die rolls are expressed in the format:
[#] die type [+/- modifiers]
Example: 3d6+2 means: "Roll 3 six sided dice. Add the result of the three dice together. Add 2."