xplor: October 2012

C PROGRAMMING
This program is written in window platform using DEV C++ compiler other users are shall make some modification.

/* Program ADDITION line-1 */
/* Written by EBG line-2 */
#include <stdio.h> /* line-3 */
# include <conio.h>
#include<stdlib.h>
main() /* line-4 */
{ /* line-5 */
int number; /* line-6 */
float amount; /* line-7 */
/* line-8 */
number = 100; /* line-9 */
/* line-10 */
amount = 30.75 + 75.35; /* line-11 */
printf("%d\n",number); /* line-12 */
printf("%5.2f",amount); /* line-13 */
getch(); /* line-14 */
system("pause"); /* line-15 */
} /*line-16*/

************************************************************************

/*--------------------- INVESTMENT PROBLEM --------------------*/
#include<stdio.h>
#include<conio.h>
#include<stdlib.h>
#define PERIOD 10
#define PRINCIPAL 5000.00
/*-------------------- MAIN PROGRAM BEGINS --------------------*/
main()
{ /*------------------- DECLARATION STATEMENTS ----------------*/
int year;
float amount, value, inrate;
/*------------------- ASSIGNMENT STATEMENTS -------------------*/
amount = PRINCIPAL;
inrate = 0.11;
year = 0;
/*------------------ COMPUTATION STATEMENTS -------------------*/
/*--------------- COMPUTATION USING While LOOP ----------------*/
while(year <= PERIOD)
{ printf("%2d %8.2f\n",year, amount);
value = amount + inrate * amount;
year = year + 1;
amount = value;
}
/*----------------------- while LOOP ENDS ---------------------*/
getch();
system("pause");
}
/*------------------------ PROGRAM ENDS -----------------------*/

*******************************************************************************

/*------------------- PROGRAM USING FUNCTION ------------------*/
# include <stdio.h>
# include <conio.h>
#inluce<stdlib.h>
int mul (int a, int b); /*------- DECLARATION ------------*/

/*-------------------- MAIN PROGRAM BEGINS --------------------*/
main ()
{
int a, b, c;

a = 5;
b = 10;
c = mul (a,b);

printf ("multiplication of %d and %d is %d",a,b,c);
getch();
}

/* ---------------- MAIN PROGRAM ENDS
MUL() FUNCTION STARTS -----------------*/

int mul (int x, int y)
{
int p;

p = x*y;

return(p);
system("pause");
}
/* -------------------- M () FUNCTION ENDS ------------------*/

**************************************************************************

/*--------------- PROGRAM USING COSINE FUNCTION -------------- */
#include <stdio.h>
#include <math.h>
#include<conio.h>
#inluce<stdlib.h>

#define PI 3.1416
#define MAX 180

main ( )
{

int angle;
float x,y;

angle = 0;
printf(" Angle Cos(angle)\n\n");

while(angle <= MAX)
{
x = (PI/MAX)*angle;
y = cos(x);
printf("%15d %13.4f\n", angle, y);
angle = angle + 10;
}
getch();
system("pause");
}

*******************************************************************************
ref: PROGRAMMING IN ANSI - E BALAGURUSAMY