Press the signs and multiply divide add subtract
Thanks to TBNRfrags7259151084 (Mukta) for the code. You can see her calucalator - https://scratch.mit.edu/projects/517669440 If you want to see my Laptop/PC version link is here-https://scratch.mit.edu/projects/569612685 If you want to see mine other the link is here - https://scratch.mit.edu/projects/569565826