Convert string to double: How to use atof: sines calculator : String Convert « String « C / ANSI-C






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Convert string to double: How to use atof: sines calculator


#include <stdio.h>
#include <stdlib.h>
#include <math.h>

int main ()
{
  double n, m;
  double pi=3.1415926535;
  char   str[256];

  printf ( "Enter degrees: " );
  gets ( str );
  n = atof ( str );
  m = sin ( n * pi / 180 );
  printf ( " sine of %f degrees = %f \n" , n, m );
  
  return 0;
}








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