First number then operation then second number and then you should get an answer for you simple problem. once you get your answer and you want to type in another equation then either press any button or press the green flag. If you want a shout out just text me then I will add you I and you will have your name in the background for a while.
v0.1 - This is the first version. I will try and update it and make the calculator a little more advanced then it is right now.
