+**2d1** is a form of [dice notation](/wiki/Dice_Notation) representing the roll of two one-sided dice. As a single-sided die (d1) always yields '1', '2d1' invariably results in a sum of '2', a concept often explored for its humorous lack of [randomness](/wiki/Randomness).
+## See also
+- [Dice](/wiki/Dice)
+- [Probability](/wiki/Probability)
+- [Role-playing Game](/wiki/Role-playing_Game)