/* Run C program on Sun workstation/UNIX environment */              ::
     1	ccsun8 :c % script examp.prt
     2	Script started on Mon Jan  3 22:44:11 1994

     3	ccsun8 :c % cat > try.c
     4	int main()
     5	{  printf(" Hello there!\n");
     6	   printf(" sin(1.57)=%f\n", sin(1.57));
     7	   printf(" cos(1.57)=%7.4f see?\n",cos(1.57));
     8	   printf(" 100,200,300= %d and %5d and %2d\n",100,200,300);
     9	   return 0;
    10	}

    11	ccsun8 :c % cc try.c
    12	ld: Undefined symbol 
    13	   _cos 
    14	   _sin 

    15	ccsun8 :c % cc -lm try.c
    16	ld: Undefined symbol 
    17	   _cos 
    18	   _sin 

    19	ccsun8 :c % cc try.c -lm
    20	ccsun8 :c % a.out
    21	 Hello there!
    22	 sin(1.57)=1.570001
    23	 cos(1.57)= 1.5700 see?
    24	 100,200,300= 100 and   200 and 300
    25	ccsun8 :c % man cc

    26	ccsun8 :c % vi try.c
    27		(...editing )
    28		(...editing )

    29	ccsun8 :c % cat -n try.c
    30	     1  #include <math.h>
    31	     2  int main()
    32	     3  {  printf(" Hello there!\n");
    33	     4     printf(" sin(1.57)=%f\n", sin(1.57));
    34	     5     printf(" cos(1.57)=%7.4f see?\n",cos(1.57));
    35       6     printf(" 100,200,300= %d and %5d and %2d\n",100,200,300);
    36	     7     return 0;
    37	     8  }

    38	ccsun8 :c % cc try.c -lm
    39	ccsun8 :c % a.out
    40	 Hello there!
    41	 sin(1.57)=1.000000
    42	 cos(1.57)= 0.0008 see?
    43	 100,200,300= 100 and   200 and 300
    44	ccsun8 :c % 

    45	ccsun8 :c % ls -l try*
    46	-rw-r--r--  1 tsaiwn        224 Jan  3 22:44 try.c
    47	
    48	ccsun8 :c % exit
    49	exit
    50	script done on Mon Jan  3 22:51:26 1994

 (Also, try "g++ try.c -lm" and/or "gcc try.c -lg++ -lm" )

 (On PC/MS DOS, use tcc (or bcc) instead of "cc".
  Or use Borland C++ IDE( bc ), Turbo C++ IDE (tc) or MS Visual C++)         4.