Percentile dice .28d.25.29 Dice notation

a typical pair of percentile dice including tens die

often, variable x in above notation 100, alternatively written % . although 100-sided dice exist, more common use combination of 2 ten-sided dice known percentile dice . 1 die represents units , other tens; typically these distinguished color, dice marked multiples of ten available use tens die. twenty-sided dice intended use percentile dice typically have no tens notation (the faces numbered such there 2 complete sequences of 0 through 9). roll of 0 on both dice may interpreted either 0 or 100, depending on game rules.

the d1000 (using 3 10-sided dice) seen, although more common in wargames role-playing games.