Assignment 4.2: User Defined Function Set 2 SOLUTION

user defined function
[SET – 2]

1

Write a program that lets the user perform arithmetic operations on two numbers. Your program must be menu driven, allowing the user to select the operation (+, -, *, or /) and input the numbers. Furthermore, your program must consist of following functions: 1. Function showChoice: This function shows the options to the user and explains how to enter data. 2. Function add: This function accepts two number as arguments and returns sum. 3. Function subtract: This function accepts two number as arguments and returns their difference. 4. Function multiply: This function accepts two number as arguments and returns product. 5. Function divide: This function accepts two number as arguments and returns quotient.  #include <iostream.h> void showChoices(); float add(float, float); float subtract(float, float); float multiply(float, float); float divide(float, float); int main() { float x, y; int choice; do { showChoices(); cin >> choice; switch (choice) { case 1: cout << "Enter two numbers: "; cin >> x >> y; cout << "Sum " << add(x,y) <<endl; break; case 2: cout << "Enter two numbers: "; cin >> x >> y; cout << "Difference " << subtract(x,y) <<endl; break; case 3: cout << "Enter two numbers: "; cin >> x >> y; cout << "Product " << multiply(x,y) <<endl; break; case 4: cout << "Enter two numbers: "; cin >> x >> y; cout << "Quotient " << divide(x,y) <<endl; break; case 5: break; default: cout << "Invalid input" << endl; } }while (choice != 5); return 0; } void showChoices() { cout << "MENU" << endl; cout << "1: Add " << endl; cout << "2: Subtract" << endl; cout << "3: Multiply " << endl; cout << "4: Divide " << endl; cout << "5: Exit " << endl; cout << "Enter your choice :"; } float add(float a, float b) { return a+b; } float subtract(float a, float b) { return a-b; } float multiply(float a, float b) { return a*b; } float divide(float a, float b) { return a/b; }