mathjs/docs/reference/functions/log10.md

Function log10

Calculate the 10-base logarithm of a value. This is the same as calculating log(x, 10).

For matrices, the function is evaluated element wise.

Syntax

math.log10(x)

Parameters

Parameter	Type	Description
x	number | BigNumber | Complex | Array | Matrix	Value for which to calculate the logarithm.

Returns

Type	Description
number | BigNumber | Complex | Array | Matrix	Returns the 10-base logarithm of x

Examples

math.log10(0.00001);            // returns -5
math.log10(10000);              // returns 4
math.log(10000) / math.log(10); // returns 4
math.pow(10, 4);                // returns 10000

See also

exp, log