This is simple addition reader/parser for 2 doubles
#include
/* function to read expression */
void
readex (double *op1, double *op2)
{
char plus;
/* no & required in scanf because &*op1 is the same thing as op1 */
scanf ("%lf %c %lf", op1, &plus, op2);
}
int
main(void)
{
double a, b, c;
printf ("Enter an addition expression (eg: 4.5+3.5): ");
/* the addresses of the two operands are sent to the function */
readex (&a, &b);
c = a + b;
printf("%lf + %lf is %lf.\n",a,b,c);
return(0);
}
Related Links :
History Of C..
In the beginning was Charles Babbage and his Analytical Engine, a machine
he built in 1822 that could be programmed to carry out different computations.
Move forward more than 100 years, where the U.S. government in
1942 used concepts from Babbage’s engine to create the ENIAC, the first
modern computer.
Meanwhile, over at the AT&T Bell Labs, in 1972 Dennis Ritchie was working
with two languages: B (for Bell) and BCPL (Basic Combined Programming
Language). Inspired by Pascal, Mr. Ritchie developed the C programming
language.
My 1st Program...
#include
#include
void main ()
{
clrscr ();
printf ("\n\n\n\n");
printf ("\t\t\t*******Pankaj *******\n");
printf ("\t\t\t********************************\n");
printf ("\t\t\t\"Life is Good...\"\n");
printf ("\t\t\t********************************");
getch ();
}
Next Step...
#include
#include
void main ()
{
clrscr ();
printf ("\n\n\n\n\n\n\n\n");
printf ("\t\t\t --------------------------- \n\n");
printf ("\t\t\t | IGCT, Info Computers, INDIA | \n\n");
printf ("\t\t\t --------------------------- ");
getch ();
}
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