Performing and Displaying a Calculation
Now you are ready to move ahead and enhance the example you worked with in the last lesson. This time, you are replacing a line, not adding one. Have a look at Listing 3.1.
Listing 3.1. The Example Performs a Calculation
1: #include <iostream>
2:
3: using namespace std;
4:
5: int main(int argc, char* argv[])
6: {
*7: // Should print the number 6
*8: cout << ((6/2)+3) << endl;
9: return 0;
10: }
|
 | This program displays the value 6, which is the result of calculating ((6/2)+3). |
Expressions
((6/2)+3) is an example of an expression. In this case, the expression uses literal numbers, operators (/ and +), and ...
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