c++ calculator program code

c++ calculator program code #include <cstdlib> #include <iostream> using namespace std; int main() { double num; double num2; char choice; for (;{ do { cout<<"Welcome to thejoshcalculator. V1.5\n"; cout<<"Please choose an option by entering the number, press q to quit\n"; cout<<"1 - Addition\n"; cout<<"2 - Subtraction\n"; cout<<"3 - Division\n"; cout<<"4 - Multiplication\n"; cout<<"5 - Help\n"; cout<<"6 - About This Program\n"; cout<<"7 - Updates to this program\n"; cin>>choice; } while ( choice < '1' || choice > '7' && choice != 'q'); if (choice == 'q') break; switch (choice) { case '1': cout<<"Please enter a number\n"; cin>>num; cout<<"Another number to be added\n"; cin>>num2; cout<<num + num2; cout<<"\n"; break; case '2': cout<<"Please enter a number\n"; cin>>num; cout<<"Another number to be subtracted\n"; cin>>num2; cout<<num - num2; cout<<"\n"; break; case '3': cout<<"Please enter a number\n"; cin>>num; cout<<"Another one to be divided\n"; cin>>num2; cout<<num / num2; cout<<"\n"; break; case '4': cout<<"Please enter a number\n"; cin>>num; cout<<"Another one to be multiplied\n"; cin>>num2; cout<<num * num2; cout<<"\n"; break; case '5': cout<<"This is a simple calculator made by me - Josh.\n"; cout<<"To select an option, type the number next to the option and press enter\n"; cout<<"E.G. for division, you would type 3 and press enter.\n"; cout<<"\n"; break; case '6': cout<<"thejoshcalculator, made by Joshua Griggs - Copyright 2007. \n"; cout<<"Feedback would be nice - joshieboy06************* also, what programmes\n"; cout<<"do people need. Please give me ideas for programs. Bye!!\n"; cout<<"\n"; break; case '7': cout<<"Updates include: -double variable instead of int, so that decimals can be used.\n"; cout<<" -do while loop so that you can exit the program yourself\n"; cout<<"\n"; break; default: cout<<"That is not an option"; } } }