LOGEST Function

The LOGEST function is one of the statistical functions. It is used to calculate an exponential curve that fits the data and returns an array of values that describes the curve.

Syntax

LOGEST(known_y’s, [known_x’s], [const], [stats])

The LOGEST function has the following arguments:

Argument	Description
known_y’s	The set of y-values you already know in the y = b*m^x equation.
known_x’s	The optional set of x-values you might know in the y = b*m^x equation.
const	An optional argument. It is a TRUE or FALSE value where TRUE or lack of the argument forces b to be calculated normally and FALSE sets b to 1 in the y = b*m^x equation and m-values correspond with the y = m^x equation.
stats	An optional argument. It is a TRUE or FALSE value that sets whether additional regression statistics should be returned.

Notes

Please note that this is an array formula. To learn more, please read the Insert array formulas article.

How to apply the LOGEST function.

Examples

The figure below displays the result returned by the LOGEST function.

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