program to input and display single character

// program to input single character and display it

#include<stdio.h>

#include<conio.h>

void main()

{

char a;

printf(“enter a single character\n”);

scanf(“%c”,&a); // we can also use a=getchar()

printf(“the character=%c\n”,a); // we can also use putchar(a)

getch();
}

note:
getchar() function is only used to input a single character and
putchar() is only for one character display

program to convert paisa to rupees

// program to convert paisa to rupees

#include<stdio.h>

#include<conio.h>

void main()

{

float paisa;

float rupees;

printf(“enter amount of paisa\n”);

scanf(“%f”,&paisa);

rupees=paisa/100;

printf(“the area is=%f\n”,rupees);

getch();
}

program to get area of triangle using perimeter concept

// program to get area of triangle using perimeter concept

#include<stdio.h>

#include<conio.h>
#include<math.h>

void main()

{

float a,b,c;

float s,area,peri;

printf(“enter sides of triangle\n”);

scanf(“%f%f%f”,&a,&b,&c);
s=a+b+c;

area=sqrt(s*(s-a)*(s-b)*(s-c));

printf(“the area is=%f\n”,area);

getch();
}

program to get area of square

// program to get area of square

#include<stdio.h>

#include<conio.h>

void main()

{

float length;

float area;

printf(“enter base and height of square\n”);

scanf(“%f”,&length);

area=length*length;

printf(“the area is=%f\n”,area);

getch();
}

program to get area of parallelogram

//program to get area of parallelogram

#include<stdio.h>

#include<conio.h>

void main()

{

float base,height;

float area;

printf(“enter base and height of parallelogram\n”);

scanf(“%f%f”,&base,&height);

area=base*height;

printf(“the area is=%f\n”,area);

getch();
}

program to get simple interest and amount

//program to get simple interest
#include<stdio.h>
#include<conio.h>
void main()
{
float p,r,t;
float interest,A;
printf("enter principal,rate of interest and time\n");
scanf("%f%f%f",&p,&r,&t);
interest=(p*t*r)/100;
A=p+interest;
printf("the interest gained is=%f\n",interest);
printf("the amount after interest=%f\n",A);
getch();
}

Solution6

---

// program to get ‘v’ using given formula v²=u²+2as

#include<stdio.h>

#include<conio.h>
#include<math.h> //for sqrt() and pow() function

void main()

{

float u,a,s;

float v;

printf(“enter  value of ‘u’\n”);

scanf(“%f”,&u);

printf(“please enter value of ‘s’\n”);

scanf(“%f”,&s);

printf(“please enter value of ‘a’\n”);

scanf(“%f”,&a);

v=sqrt(pow(u,2)+2*a*s);

printf(“the value of 'v'=%f\n”,v);

getch();

}