COMBIN

Definition of COMBIN

Returns the number of ways to choose some number of objects from a pool of a given size of objects.

Sample Usage

COMBIN(4,2)

COMBIN(A2,B2)

Syntax

COMBIN(n, k)

n - The size of the pool of objects to choose from.
k - The number of objects to choose.

Notes

COMBIN is the standard combinatorics function typically notated nCk and read "n choose k". This is equivalent to FACT(n)/(FACT(k)*FACT(n-k)).

To use the COMBIN Formula, simply begin with your edited Excellentable:

Then begin typing the COMBIN formula in the area you would like to display the outcome:

By adding the values you would like to calculate, Excellentable generates the outcome:

A

B

C

1

State

Population

Total area in mi2

Land area in mi2

Water area in mi2

2

Alabama

4833722

52,420 (135,767)

3

Alaska

735132

665,384 (1,723,337)

4

Arizona

6626624

113,990 (295,233)

5

Arkansas

2959373

53,179 (137,733)

6

California

38332521

163,695 (423,968)

7

Colorado

5268367

104,094 (269,602)

8

Connecticut

3596080

5,543 (14,356)

9

Delaware

925749

2,489 (6,446)

10

Florida

19552860

65,758 (170,312)

11

Georgia

9992167

59,425 (153,910)

12

Hawaii

1404054

10,932 (28,314)

13

Idaho

1612136

83,569 (216,443)

14

15

	D	E	F
1

House seat(s)

2

50,645 (131,170)

1,775 (4,597)

8

3

570,641 (1,477,950)

94,743 (245,383)

1

4

113,594 (294,207)

396 (1,026)

9

5

52,035 (134,770)

1,143 (2,960)

4

6

155,779 (403,466)

7,916 (20,502)

53

7

103,642 (268,432)

452 (1,171)

7

8

4,842 (12,541)

701 (1,816)

5

9

1,949 (5,048)

540 (1,399)

1

10

53,625 (138,888)

12,133 (31,424)

27

11

57,513 (148,958)

1,912 (4,950)

14

12

6,423 (16,635)

4,509 (11,678)

2

13

82,643 (214,044)

926 (2,398)

2

14

15

COMBIN(8, 2):

28