calculate damage rolls for pokémon gen 1 · gen 2 · gen 3 · full stat computation · nature · ev iv · type effectiveness · crit · boost stages · runs locally
⌊( ⌊( ⌊2L/5+2⌋ × Power × Atk ÷ Def ) ÷ 50⌋ + 2 ) × Crit × STAB × Type × Item⌋ × RNG(217–255)/255