Free all codes

Simple interest

#include < stdio.h >

void main()
{
int amount, rate, time, ans;

printf("\nEnter Principal Amount : ");
scanf("%d", &amount);

printf("\nEnter Rate of Interest : ");
scanf("%d", &rate);

printf("\nEnter Period of Time : ");
scanf("%d", &time);

ans = (amount * rate * time)/100;
/*Simple interest formula*/
printf("\nSimple Interest : %d",ans);
}

Area of Circle

#include < stdio.h >
#include < math.h >
#define PI 3.142

void main()
{
float radius, area;

printf("Enter the radius of a circle \n");
scanf("%f", &radius);

area = PI * pow(radius, 2);

printf("Area of a circle = %5.2f\n", area);
}

Area of Rectangle

#include < stdio.h >
#include < conio.h >

int main() {
int length, breadth, area;

printf("\nEnter the Length of Rectangle : ");
scanf("%d", &length);

printf("\nEnter the Breadth of Rectangle : ");
scanf("%d", &breadth);

area = length * breadth;
printf("\nArea of Rectangle : %d", area);

return (0);
}

Area of Square

#include < stdio.h >

int main() {
int side, area;

printf("\nEnter the Length of Side : ");
scanf("%d", &side);

area = side * side;
printf("\nArea of Square : %d", area);

return (0);
}

Volume of Cube

#include < stdio.h >

void main()
{
float a;
float surface_area,volume;

printf("Enter size of any side of a cube : ");
scanf("%f",&a);

surface_area = 6 * (a * a);
volume = a * a * a;

printf("Surface area of cube is: %.3f",surface_area);
printf("\nVolume of cube is : %.3f",volume);
}

Volume of Cylinder

#include < stdio.h >

void main()
{
float vol,pie=3.14;
float r,h;

printf("ENTER THE VALUE OF RADIOUS :- ");
scanf("%f",&r);
printf("ENTER THE VALUE OF HEIGHT :- ");
scanf("%f",&h);

vol = pie * r * r * h;
printf("VOLUME OF CYLINDER IS :- %3.2f ",vol);
}

Volume of Sphere

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

void main()
{
float radius,pie,volume;
pie=3.1416;

printf("Enter the radius:");
if(scanf("%f",&radius)==1)
{
volume=(4/3)*pie*pow(radius,3);
printf("The volume is :%6.2f",volume);
}
else
{
printf("error ,enter correct value");
}
}