# D (function)

d(n,x)

File:Dfunction.png Probability mass function of d(3,6).

Distribution
normal (if n &gt; 1)

Mean

Standard deviation

d(n,x)[1] is a pseudo-random number function used in NetHack to simulate the rolling of multiple dice. The range of values is between n and n*x inclusive (that is, n&nbsp;≤ d(n,x)&nbsp;≤&nbsp;n*x). It is equivalent to ndx in D notation, or rolling n independent dice with x sides each and summing the results.

References

↑ d in rnd.c

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