Hi I'm new to this lesson about GUI, I would like to ask for your help if you can... I don't know how to put the MC, MR, MS and M+ in my calculator, so that it would look like the standard calculator...
standard-calculator.jpg
my codes are here calculator.txt and almost all are done, the only thing lacking are these MC, MR, MS and M+... please help Thank you...
And my output calculator looks like this: