C/Math/Square Root
Calculate square root: how to use sqrt
<source lang="cpp">
- include <stdio.h>
- include <math.h>
int main () {
double param, result; param = 1024.0; result = sqrt (param); printf ("sqrt(%lf) = %lf\n", param, result ); return 0;
}
</source>
Get the square root
<source lang="cpp">
- include <stdio.h>
- include <math.h> /* needed by sqrt() */
int main(void) {
double answer; answer = sqrt(20.0); printf("%f", answer); return 0;
}
</source>