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# Compatibility functions (reference)

Click one of the links in the following list to see detailed help about the function.

**Important** All of these functions have been replaced with new functions that may provide improved accuracy and whose names better reflect their usage. These functions are still available for compatibility with earlier versions of Excel. However, if backward compatibility is not required, you should consider using the new functions from now on, because they more accurately describe their functionality.

For more information about the new functions, see Statistical functions (reference).

Function |
Description |
---|---|

BETADIST function | Returns the beta cumulative distribution function |

BETAINV function | Returns the inverse of the cumulative distribution function for a specified beta distribution |

BINOMDIST function | Returns the individual term binomial distribution probability |

CHIDIST function | Returns the one-tailed probability of the chi-squared distribution |

CHIINV function | Returns the inverse of the one-tailed probability of the chi-squared distribution |

CHITEST function | Returns the test for independence |

CONFIDENCE function | Returns the confidence interval for a population mean |

COVAR function | Returns covariance, the average of the products of paired deviations |

CRITBINOM function | Returns the smallest value for which the cumulative binomial distribution is less than or equal to a criterion value |

EXPONDIST function | Returns the exponential distribution |

FDIST function | Returns the F probability distribution |

FINV function | Returns the inverse of the F probability distribution |

FTEST function | Returns the result of an F-test |

GAMMADIST function | Returns the gamma distribution |

GAMMAINV function | Returns the inverse of the gamma cumulative distribution |

HYPGEOMDIST function | Returns the hypergeometric distribution |

LOGINV function | Returns the inverse of the lognormal cumulative distribution function |

LOGNORMDIST function | Returns the cumulative lognormal distribution |

MODE function | Returns the most common value in a data set |

NEGBINOMDIST function | Returns the negative binomial distribution |

NORMDIST function | Returns the normal cumulative distribution |

NORMINV function | Returns the inverse of the normal cumulative distribution |

NORMSDIST function | Returns the standard normal cumulative distribution |

NORMSINV function | Returns the inverse of the standard normal cumulative distribution |

PERCENTILE function | Returns the k-th percentile of values in a range |

PERCENTRANK function | Returns the percentage rank of a value in a data set |

POISSON function | Returns the Poisson distribution |

QUARTILE function | Returns the quartile of a data set |

RANK function | Returns the rank of a number in a list of numbers |

STDEV function | Estimates standard deviation based on a sample |

STDEVP function | Calculates standard deviation based on the entire population |

TDIST function | Returns the Student's t-distribution |

TINV function | Returns the inverse of the Student's t-distribution |

TTEST function | Returns the probability associated with a Student's t-test |

VAR function | Estimates variance based on a sample |

VARP function | Calculates variance based on the entire population |

WEIBULL function | Returns the Weibull distribution |

ZTEST function | Returns the one-tailed probability-value of a z-test |

Applies to:

Excel 2010, Excel Web App