• Ex 1 : Modulo (%) Operator
• Ex 2 : Arithmetic Operations (Integer Values)
• Ex 3 : Arithmetic Operations (Float Values)
• Ex 4 : Arithmetic Operation (With Using Variable)
• Ex 5 : Addition Operator (Character Variable)
• Ex 6 : To get student mark with out scanf function-I
• Ex 7 : To get student mark with out scanf function-II
• Ex 8 : To get student mark with scanf function-III
• Ex 9 : Area of Circle
• Ex 10 :Salary Calculation
• Ex 11 :Conversion-kilometer to Centimeter,feet,inches,meter
• Ex 12 :Fahrenheit and Celsius temperature conversion :
• Ex 13 :Write a program to interchange values
• Ex 14 :To Sum of Digits (3 Digit Number)

Example : 1 Modulo (%) Operator;

#include<stdio.h>
#include<conio.h>
void main()
{
int a,b;
clrscr();
a=7;
b=2;
c=a%b;
printf(“Ans=%d”,c);
c=a/b;
printf(“Ans=%d”,c);
getch();
}

Output :

Ans=1
Ans=3

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Example : 2 Arithmetic Operations (Integer Values)

#include<stdio.h>
#include<conio.h>
void main()
{
int a=7,b=2;
clrscr();
printf(“\nSum of A,B=%d”,a+b);
printf(“\nSubtraction of A,B=%d”,a-b);
printf(“\nMultiplication of A,B=%d”,a*b);
printf(“\nDivision of A,B=%d”,a/b);
printf(“\nModulo Division of A,B=%d”,a%b);
printf(“\nAll Arithmetic Operations of A,B =%d”,((a+b)*(a-b)/5)%2);
getch();
}

Output :

Sum of A,B=9
Subtraction of A,B=5
Multiplication of A,B=14
Division of A,B=3
Modulo Division of A,B=1
All Arithmatic Operations of A,B =1

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Example : 3 Arithmetic Operations (Float Values)

#include<stdio.h>
#include<conio.h>
void main()
{
float a=7,b=2;
clrscr();
printf(“\nSum of A,B=%f”,a+b);
printf(“\nSum of A,B=%.2f”,a+b);
printf(“\nSubtraction of A,B=%.2f”,a-b);
printf(“\nMultiplication of A,B=%.2f”,a*b);
printf(“\nDivision of A,B=%.2f”,a/b);

/* This line not worked ————–

printf(“\nModulo Division of A,B=%.2f”,a%b);

———————————–*/

printf(“\nAll Arithmatic Operations of A,B =%.2f”,(a+b)*(a-b)/5);
getch();
}

Output :

Sum of A,B=9.000000
Sum of A,B=9.00
Subtraction of A,B=5.00
Multiplication of A,B=14.00
Division of A,B=3.50
All Arithmatic Operations of A,B =9.00

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Example : 4 Arithmetic Operation (With Using Variable)

#include<stdio.h>
#include<conio.h>
void main()
{
int a,b,sum,sub,mult,div,remind;
clrscr();
a=10;
b=3;
sum=a+b;
sub=a-b;
mult=a*b;
div=a/b;
remind=a%b;
printf(“\nSum = %d”,sum);
printf(“\nSubtraction = %d”,sub);
printf(“\nMultiplication = %d”,mult);
printf(“\nDivision=%d”,div);
printf(“\nModulo Division = %d”,remind);
getch();
}

Output :

Sum = 13
Subtraction = 7
Multiplication = 30
Division=3
Modulo Division = 1

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Example : 5 Addition Operator (Character Variable)

#include<stdio.h>
#include<conio.h>
void main()
{
char c1,c2;
clrscr();
c1=’a’;
c2=’b’;
printf(“\n%d”,c1); /* It Prints ascii value of a */
printf(“\n%d”,c2);
printf(“\n%d”,c1+c2);
getch();
}

Output :

97
98
195

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Example : 6 To get student mark with out scanf function-I

#include<stdio.h>
#include<conio.h>
void main()
{
float m1,m2,m3;
clrscr();
m1=80;
m2=90;
m3=100;
printf(“\nSum of Marks = %.2f”,m1+m2+m3);
printf(“\nAverage of Marks = %.2f”,(m1+m2+m3)/3);
getch();
}

Output :

Sum of Marks = 270.00
Average of Marks = 90.00

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Example : 7 To get student mark with out scanf function-II

#include<stdio.h>
#include<conio.h>
void main()
{
float m1,m2,m3,tot,avrg;
clrscr();
m1=80;
m2=90;
m3=100;
tot=m1+m2+m3;
avrg=tot/3;
printf(“\nSum of Marks = %.2f”,tot);
printf(“\nAverage of Marks = %.2f”,avrg);
getch();
}

Output :

Sum of Marks = 270.00
Average of Marks = 90.00

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Example : 8 To get student mark with scanf function-III

#include<stdio.h>
#include<conio.h>
void main()
{
float m1,m2,m3,tot,avrg;
clrscr();
printf(“\nEnter Mark 1=”);
scanf(“%f”,&m1);
printf(“\nEnter Mark 2=”);
scanf(“%f”,&m2);
printf(“\nEnter Mark 3=”);
scanf(“%f”,&m3);
tot=m1+m2+m3;
avrg=tot/3;
printf(“\nSum of Marks = %.2f”,tot);
printf(“\nAverage of Marks = %.2f”,avrg);
getch();
}

Output :

Enter Mark 1=100
Enter Mark 2=90
Enter Mark 3=100

Sum of Marks = 290.00
Average of Marks = 96.67

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Example : 9 Area of Circle :

#include<stdio.h>
#include<conio.h>
void main()
{
float radius,area;
clrscr();
printf(“\nEnter Radius of Circle : “);
scanf(“%f”,&radius);
area=3.14*radius*radius;
printf(“\nArea of Circle = %.2f”,area);
getch();
}

Output :

EEnter Radius of Circle : 2
Area of Circle = 12.56

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Example : 10 Salary Calculation :

#include<stdio.h>
#include<conio.h>
void main()
{
float salary,allowance,deduction;
clrscr();
printf(“\nEnter Ganesh’s Basic Salary = “);
scanf(“%f”,&salary);
allowance=salary*(10.0/100); /* 10% of Basic Salary */
deduction=salary*(20.0/100); /* 3% of Basic Salary */
printf(“\nAllowance of Salary Rs.=%.2f”,allowance);
printf(“\nDeduction of Salary Rs.=%.2f”,deduction);
printf(“\nNet Salary = %.2f”,salary+allowance-deduction);
getch();
}

Output : 1

Enter Ganesh’s Basic Salary = 2000

Allowance of Salary Rs.=200.00
Deduction of Salary Rs.=400.00
Net Salary = 1800.00

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Example : 11 Conversion kilometer to Centimeter,feet,inches,meter.

#include<stdio.h>
#include<conio.h>
void main()
{
float km;
clrscr();
printf(“Enter Kilometer Value = “);
scanf(“%f”,&km);
printf(“\n%.2f Kilo Meter = %.2f Centimeter”,km,100000*km);
printf(“\n%.2f Kilo Meter = %.2f Feet”,km,km*3280.839895);
printf(“\n%.2f Kilo Meter = %.2f Inches”,km,km*39370.07874);
printf(“\n%.2f Kilo Meter = %.2f Meter”,km,km*1000);
getch();
}
/*
Note :
1 Km = 1000 meter
1 Km = 3280.839 895 feet
1 kilometer = 39370.078 74 inch
1 kilometer = 100000 centimeter
*/

Output :

Enter Kilometer Value = 3

3.00 Kilo Meter = 300000.00 Centimeter
3.00 Kilo Meter = 9842.52 Feet
3.00 Kilo Meter = 118110.24 Inches
3.00 Kilo Meter = 3000.00 Meter

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Example : 12 Fahrenheit and Celsius temperature conversion :

#include<stdio.h>
#include<conio.h>
void main()
{
float fh,cel;
clrscr();
printf(“\nEnter Faherenheit Value = “);
scanf(“%f”,&fh);
cel= ((fh-32)/9.0 )*5;
printf(“\nCelsius Value = %.2f”,cel);
getch();
}

/* Note :

To convert Fahrenheit temperatures into Celsius:

* Begin by subtracting 32 from the Fahrenheit number.
* Divide the answer by 9.
* Then multiply that answer by 5.
*/

Output :

Enter Faherenheit Value = 50

Celsius Value = 10.00

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Example : 13 Write a program to interchange values

#include<stdio.h>
#include<conio.h>
void main()
{
int a,b,t;
clrscr();
printf(“\nEnter First Value = “);
scanf(“%d”,&a);
printf(“\nEnter Second Value = “);
scanf(“%d”,&b);
printf(“\nBefore Swap a = %d,b=%d”,a,b);
t=b;
b=a;
a=t;
printf(“\nAfter Swap a=%d,b=%d”,a,b);
getch();
}

Output :

Enter First Value = 2
Enter Second Value = 3

Before Swap a = 2,b=3
After Swap a=3,b=2

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Example : 14 To Sum of Digits (3 Digit Number)

#include<stdio.h>
#include<conio.h>
void main()
{
int n,s=0;
clrscr();
printf(“\nEnter Three Digit Value”);
scanf(“%d”,&n);
s=s+(n%10);
n=n/10;
s=s+(n%10);
n=n/10;
s=s+(n%10);
printf(“\nSum of Digits = %d”,s);
getch();
}

Output :

Enter Three Digit Value 123
Sum of Digits = 6