Lab 16

Calculator (with function) Program

CSCI 111 Programming and Algorithms I

Due Sunday March 7, 11:59pm on turnin

10 Points

NEW CONCEPTS: Successful completion of this lab incorporates the following new concepts.

Creating and calling a function

//function example

#include

using namespace std;

int addition (int num1, int num2)

{

int result;

result = num1+num2;

return result;

}

int main ()

{

in myresult;

myresult = addition (5,3);

cout<<"The result is"<

}

Task list:

1. Create a source code file named lab16.cpp.

2. From the main function, start by prompting the user for a choice as: What action do you want to perform? (a=add, s=subtract, m=multiply, d=divide, x=mod) and save the response in a variable of type char (will contain either a, s, m, d, or x).

3. Prompt the user for 2 additional numeric values of type int.

4. Create and call a function and pas the 3 argument variables that the user just entered. Notice that the sample function above has only 2 argument variables.

5. The function should use the switch statement to calculate the result.

6. Refer to the expected output listing below.

7. Submit your lab16.cpp file on https://turnin.ecst.csuchico.edu/ and get a successful message.

SAMPLE OUTPUT

/user/faculty/jraigoza/CSCI111/Labs/lab16 $ ./lab16

What action do you want to perform? (a=add, s=subtract, m=multiply, d=divide, x=mod)

a

Enter first number

9

Enter second number

4

The result is 13

/user/faculty/jraigoza/CSCI111/Labs/lab16 $ ./lab16

What action do you want to perform? (a=add, s=subtract, m=multiply, d=divide, x=mod)

s

Enter first number

9

Enter second number

4

The result is 5

/user/faculty/jraigoza/CSCI111/Labs/lab16 $ ./lab16

What action do you want to perform? (a=add, s=subtract, m=multiply, d=divide, x=mod)

m

Enter first number

9

Enter second number

4

The result is 36

/user/faculty/jraigoza/CSCI111/Labs/lab16 $ ./lab16

What action do you want to perform? (a=add, s=subtract, m=multiply, d=divide, x=mod)

d

Enter first number

9

Enter second number

4

The result is 2

/user/faculty/jraigoza/CSCI111/Labs/lab16 $ ./lab16

What action do you want to perform? (a=add, s=subtract, m=multiply, d=divide, x=mod)

x

Enter first number

9

Enter second number

4

The result is 1

/user/faculty/jraigoza/CSCI111/Labs/lab16 $ ./lab16

What action do you want to perform? (a=add, s=subtract, m=multiply, d=divide, x=mod)

g

Enter first number

9

Enter second number

4

Wrong choice. I am returning zero

The result is 0

/user/faculty/jraigoza/CSCI111/Labs/lab16 $

GRADING

To achieve a maximum score, students will need to clearly prove that they completed the goal.

Points lost for incompleteness, sloppiness, lateness, or failure to follow instructions.

Refer to syllabus for late policy.