Are there any approximation for ratios of factorials (and other similar high-precision ratios with rounding issues?)
66475
How can I prevent Overflow for the Gamma function?
10823
Is floating point arbitrary precision available?
156185
How many Decimal Places are Needed For Accuracy to a Given Number of Significant Figures?
72843
Parity of number of factors up to a bound?
142768
Approximation of $\sqrt{2}$
133073
Evaluating series with factorial denominator (sanity check).
9126
How many bits are in factorial?
3115
How deterministic is floating point inaccuracy?
48657
Solving factorial equations
8257
Subtracting very small probabilities - How to compute?
56974
Determining the missing digits of $15! \equiv 1\square0767436\square000$ without actually calculating the factorial
91538
What are the rules for factorial manipulation?
81719
Very different results from evaluating same expression with different precisions
9540
Output precision
101573
Subtracting even and odd binomial coefficients?
147496
Rules of thumb for divisibility
43277
Confused by (apparent) inconsistent precision