﻿ GROWTH | Spread.NET 15 Formula Reference
Formula Functions / Functions D to G / GROWTH
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GROWTH
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This function calculates predicted exponential growth. This function returns the y values for a series of new x values that are specified by using existing x and y values.

#### Syntax

GROWTH(y,x,newx,constant)

#### Remarks

This function has these arguments:

Argument Description
y Set of y values that are known in the relationship y=b*m^x
x (Optional) X is an optional set of x values that may be known in the relationship y=b*m^x
newx New x values for which this functions returns the corresponding y values
constant Logical value that specifies whether to force the constant b to equal 1

If constant is true or omitted then b is calculated normally. If constant is false then b is equal to 0 and the m values are adjusted so that y=m^x.

If x is omitted then x defaults to the array {1,2,3...}, that has the same dimensions as y.

If newx is omitted then it defaults to x.

#### Remarks

Use the INDEX function to get individual elements from the returned array.

#### Data Types

Accepts an array. Returns an array.

#### Examples

GROWTH(A2:A7,C2:C7,A9:A10)

#### Version Available

This function is available in product version 2.0 or later.