• Futurama Formulas - Date and time
• Futurama Formulas - Math
• Futurama Formulas - Statistical
• Futurama Formulas - Text
• Futurama Formulas - Logical
• Futurama Formulas - Table
• Futurama Formulas - Document
• Futurama Formulas - Conversion
• Futurama Formulas - Matrix
• Creating custom formulas in Futurama

Module: Editor

Version: 16.11 +

Type: Double

Category: Math

## Description

The formula 'Ln' returns the natural logarithm of a number. This is the logarithm to the base of the mathematical constant e. This numbers can be positive real numbers.

## Parameters

Number:          is the positive real number for which you want to use the natural logarithm.

## Example

### Description

In the following example you can see how the formula 'Ln' works.

Number:        4

### Result

Outcome:        1.38629436111989

Mathematical representation of this example is ln(4) or loge(4).

## Related Topics

Log: The formula 'Log' returns the logarithm of a specified number in a specified base.

Log10: The formula 'Log10' returns the base-10 logarithm of a number.