Combination (table) Calculator

Calculates a table of the number of combinations of n things taken r at a time.

 number of things n ≦300 6digit10digit14digit18digit22digit26digit30digit34digit38digit42digit46digit50digit
 $\normal Combinations\\\vspace{5}(1)\ {}_nC_r=\left$$n\\r\\ \right$$={\large\frac{n!}{r!(n-r)!}}\\(2)\ {}_nC_r={\large\frac{{}_nP_r}{r!}}\\$
Combination (table)
 [1-1] /1 Disp-Num5103050100200
[1]  2014/04/03 19:45   Male / 60 years old level or over / Self-employed people / A little /
Purpose of use
saves me the trouble of calculating values for combinations. Used for calculations involving heredity
Comment/Request
I hope there's alot more like this . It saves time and trouble

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