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A dice roller simulates rolling one or more dice with any number of sides — standard d6, or polyhedral dice (d4, d8, d10, d12, d20, d100) used in tabletop RPGs. Results follow a uniform distribution (equally likely outcomes) for a single die.

단계별 가이드

1. 1Rolling 1 die: each face has 1/n probability
2. 2Rolling multiple dice: sum follows a bell curve (central limit theorem)
3. 3Notation: 2d6 = roll two 6-sided dice and sum them
4. 4Average of nd6 = n × 3.5 (average of one d6)

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