ln1

returns the natural logarithm of a number plus one.

# Metadata

Platforms: desktop, server, mobile OS: mac, windows, linux, ios, android Introduced: 1.0 Security:

# Syntax

the ln1 of number

# Params

- number : A number greater than -1, or an expression that evaluates to such a number.

# Examples

ln1(0) -- returns zero

put ln1(myValue) into logValue

# Description

Use the ln1 function to obtain a base e logarithm, ln(number + 1).

The natural logarithm of a number is the power to which e must be raised to obtain the number.

The transcendental number e appears in many mathematical formulas.

If a math operation on finite inputs produces a non-finite output, an execution error is thrown. See math operations for more information.

# Tags

# See

- **operator:** [[^]] - **function:** ln, log10, log2, exp1 - **glossary:** return, math operation - **control structure:** function