Rolfan

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  1. It tells me that line 29 (the highlighted part) hasnt declared "cin" ([Error] 'cin' was not declared in this scope) I'd really like some help please. #include <iostream> #include <cstdlib> float addition(float num1, float num2) { return num1 + num2; } float subtraction(float num1, float num2) { return num1 - num2; } float multiplikation(float num1, float num2) { return num1 * num2; } float division(float num1, float num2) { return num1 / num2; } int main() { float num1; float num2; float choice; cout << "What would you like to do? \n 1= addition \n 2= subtraction \n 3= multiplikation \n 4= division"; cout << "choice: "; cin >> choice; if(choice==1) { //addition cout << "You're adding, enter the first number you would like to add. \nNumber1: "; cin >> num1; cout << "Now enter the second number. \nNumer2: " cin >> num2; cout << "The answer is: " << addition(num1, num1) << endl; } else { if(choice==2) { //subtraction cout << "You're subtracting, enter the first number you would like to subract. \nNumber1: "; cin >> num1; cout << "Now enter the second number. \nNumer2: " cin >> num2; cout << "The answer is: " << subtraction(num1, num1) << endl; } else { if(choice==3) { //multiplikation cout << "You're multiplying, enter the first number you would like to multiply. \nNumber1: "; cin >> num1; cout << "Now enter the second number. \nNumer2: " cin >> num2; cout << "The answer is: " << multiplikation(num1, num1) << endl; } else { if(choice==4) //division cout << "You're dividing, enter the first number you would like to divide. \nNumber1: "; cin >> num1; cout << "Now enter the second number. \nNumer2: " cin >> num2; cout << "The answer is: " << division(num1, num1) << endl; } } return 0; }