C Programming

ARITHMETIC OPERATORS
The symbols of the arithmetic operators are:-

Operation Operator Comment Value of Sum before Value of sum after
Multiply * sum = sum * 2; 4 8
Divide / sum = sum / 2; 4 2
Addition + sum = sum + 2; 4 6
Subtraction - sum = sum -2; 4 2
Increment ++ ++sum; 4 5
Decrement -- --sum; 4 3
Modulus % sum = sum % 3; 4 1

The following code fragment adds the variables loop and count together, leaving the result in the variable sum

        sum = loop + count;


Note: If the modulus % sign is needed to be displayed as part of a text string, use two, ie %%


	#include <stdio.h>

	main()
	{
		int sum = 50;
		float modulus;
    
    		modulus = sum % 10;
		printf("The %% of %d by 10 is %f\n", sum, modulus);
	}


	Sample Program Output
	The % of 50 by 10 is 0.000000


CLASS EXERCISE C5
What does the following change do to the printed output of the previous program?


	printf("The %% of %d by 10 is %.2f\n", sum, modulus);

Answers


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