log10

returns the base-10 logarithm of a number.

# Metadata

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

# Syntax

the log10 of number

# Params

- number : A positive number, or an expression that evaluates to a positive number.

# Examples

log10(1000) -- returns 3, because 10^3 = 1000

log10(0.1) -- returns -1

log10(163)

# Description

Use the log10 function to obtain a logarithm.

The logarithm of a number is the power to which 10 must be raised to obtain the number : 10^log10(number) is equal to number.

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

# Tags

math,

# See

- **control structure:** function - **glossary:** return, math operation - **function:** ln1