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I've written a calculator program but at the moment I'm not getting the right calculation results. I want the program to convert the character input into a double data type. I tried using the function atof but this didn't work. does anyone have any solutions? double add(double x, double y) {...

I've written a small program, part of the program asks the user to input two numbers. How do I go about testing the numbers to check that the user did input an integer and not a character by accident. I ve tried the folowing: label: cout << &quot;Please enter a number: &quot;; cin >>...

Hi, I know this is supposed to be simple but I can't figure what variable(s) I would use if I was writing a program that prompts a user to enter a character, the program then displays a message if the user entered an integer or a letter. I know the program uses an if-else statement but I don't...

Can anybody please help? I have an application that has an intro leading to a menu screen. Using 'go to the frame' the application waits until a user clicks a button moving to another screen. I would like the application to reset itself to the start if the menu screen is idle for a certain...