For the errors, just catch them and show an error message. To prevent the error like 2 plus signs in a row compare the last character in the string to the one that was pressed.
Thank you for support.I really appreciate your suggestion. I will improve my code..☺️
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For the errors, just catch them and show an error message.
To prevent the error like 2 plus signs in a row compare the last character in the string to the one that was pressed.
Thank you for support.I really appreciate your suggestion. I will improve my code..☺️