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Joerg Elfring 52ec9c241e first commit		2019-02-05 20:33:55 +01:00
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README.md	first commit	2019-02-05 20:33:55 +01:00
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SnCk.txt	first commit	2019-02-05 20:33:55 +01:00

README.md

Statistics Tools

SnCk

Sum of combinations.
The usual nCk function returns the number of combinations for k elements out of n. This program sums up the combinations for 1 .. k out of n.

      k
     ====
     \          1
  n!  >    -----------
     /     k! (n - k)!
     ====
      k = 1