# math/log10
Base-10 logarithm of `x`.
## Syntax
[math/log10 $x]
## Parameters
- `$x` — Positive number
## Examples
[math/log10 1] # 0 [math/log10 10] # 1 [math/log10 1000] # 3
## Returns
Number — base-10 logarithm of `$x`.
## See Also
`math/log2`, `math/ln`, `math/exp`