Math & Trig
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=COMBIN()
Returns the number of combinations for a given number of items. Use COMBIN to determine the total possible number of groups for a given number of items.
Applies To:
Excel for Microsoft 365Excel for Microsoft 365 for MacExcel 2024Excel 2024 for MacExcel 2021Excel 2021 for MacExcel 2019Excel 2016
=COMBIN(number, number_chosen)
Hover argument names in the table for details.
Output typeNumber
Popularity15 / 100
VolatileNo
Dynamic ArrayNo
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◧ Arguments
| Argument | Type | Required | Description |
|---|---|---|---|
number |
Number | Required | The number of items. |
number_chosen |
Number | Required | The number of items in each combination. |
▣ Examples
Possible two-person teams that can be formed from 8 candidates.
=COMBIN(8,2)
Result:
28
§ Remarks
- Numeric arguments are truncated to integers.
- If either argument is nonnumeric, COMBIN returns the #VALUE! error value.
- If number < 0, number_chosen < 0, or number < number_chosen, COMBIN returns the #NUM! error value.
- A combination is any set or subset of items, regardless of their internal order. Combinations are distinct from permutations, for which the internal order is significant.
- The number of combinations is as follows, where number = n and number_chosen = k: where:
✦ Tips
- Numeric arguments are truncated to integers.
- A combination is any set or subset of items, regardless of their internal order. Combinations are distinct from permutations, for which the internal order is significant.
- The number of combinations is as follows, where number = n and number_chosen = k: where:
⚠ Common Errors
#VALUE!
If either argument is nonnumeric, COMBIN returns the #VALUE! error value.
Fix: برای هر دو آرگومان مقدار عددی وارد کنید.
#NUM!
If number < 0, number_chosen < 0, or number < number_chosen, COMBIN returns the #NUM! error value.
Fix: Correct the input value
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