simple calculator project report
lue)) Define additional functions for operations, clear, and equals... Layout buttons buttons = [ ('7', 1, 0), ('8', 1, 1), ('9', 1, 2), ('/', 1, 3), ('4', 2, 0), ('5', 2, 1), ('6', 2, 2), ('', 2, 3), ('1', 3, 0), ('2', 3, 1), ('3', 3, 2), ('-', 3, 3), ('0', 4, 0), ('.', 4, 1), ('=', 4, 2), ('+', 4