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COMBIN

Description

Returns the number of combinations for a specified number of elements. Use the COMBIN function to determine the total number of possible groups for a specified number of elements.

Examples

COMBIN(15, 9) = 5005

COMBIN(15, -9) = NAN

COMBIN(NAN) = NAN

COMBIN(INF) = NAN

COMBIN(-INF) = NAN

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