Dec 4, 2018 · calculator.cpp:(.text+0x68): undefined reference to `fun(float, float)`. Why isn't variable op used? You declare and call the function fun, but you never define (implement) it. You seem to be missing some basic understanding in how C++ works, I recommend you get a few good books to read. From the very start.

Oct 15, 2024 · In this article, we will learn how to code a simple calculator using C++. Examples. There are two different ways to make simple calculator program in C++: In C++, the switch statement allows us to define different cases that will be executed based on the value of a …

Nov 24, 2018 · You can use additional functions to make a better calculator. You can use this code. Hope this code will be helpful for you. The header <iomanip> is part of the Input/output library of the C++ Standard Library and <math.h> is …

Write a program for a simple c++ calculator which have different functions for different operations. Make a menu base selection screen using switch statement. Ever operation should have its own function. This code may also be use as a mini project to start. Calculator should have following operations. Addition; Subtraction; Multiplication ...

Sep 27, 2012 · using namespace std; int main() {int num1, num2, selection; cout << "Please enter an integer: "; cin >> num1; cout << "Please enter another integer: "; cin >> num2; cout << "\n\n\n"; cout << "Select the desired function:\n"; cout << "1. Addition\n"; cout << "2. Subtraction\n"; cout << "3. Multiplication\n"; cout << "4. Division\n"; cout << "5 ...

Jul 23, 2022 · Implementing a calculator in C++ using the concept of the classes. Functions: Addition of two numbers. Difference between two numbers. Product of two numbers. Division of two numbers. Approach: Declare local variables a, b for two numeric values. Enter the Choice. Takes two numbers, a and b. do-while jump to an operator selected by the user.

Oct 8, 2024 · An empty C++ Windows console application 'Hello World' app is created. Console applications use a Windows console window to display output and accept user input. In Visual Studio, an editor window opens and shows the generated code: // CalculatorTutorial.cpp : This file contains the 'main' function.

Write a function to perform basic arithmetic operations. Return the result of the operation specified by operator on the numbers num1 and num2 . The operations are: addition + , subtraction - , multiplication * , and division / .

Feb 5, 2023 · Today we will make an advanced calculator which gives us the option to perform much more than basic arithmetic operations. We can execute Trigonometric, Exponential, and Logarithmic operations, along with basic arithmetic operations.

The program given below creates a simple calculator in C++ programming that performs four basic mathematical operations, such as addition, subtraction, multiplication, and division, depending on the user's choice.