C library function log10Usage and example of ()

C Standard Library <math.h>

double log10(double x) returns the common logarithm of x (base 10) 10 logarithm).

C log10Function prototype of ()

double log10(double arg);

It accepts a parameter and returns a floating-point value.

[Mathematics] log10x = log10(x) in [C language]

It is in<math.h>Defined in header file.

log10To calculate long double or float, please use the following prototype.

long double log10l(long double arg);
float log10f(float arg);

C log10Parameter range of () function

Example: C log10Usage of () function

#include <stdio.h>
#include <math.h>
int main()
{
　　　　double num ==　4.00, result;
　　　　result = log10(num);
　　　　printf("log10(%.1f) = %.2f", num, result);
　　　　return 0;
}

log(4.0) = 0.60

C Standard Library <math.h>