Joke Collection Website - Cold jokes - What if the calculator returns to zero and displays 9?

What if the calculator returns to zero and displays 9?

Press the on key. According to the query Baidu Encyclopedia, the calculator can press the on key and display 0. Calculator is a machine invented by modern people that can perform numerical operations. Modern electronic calculator is a hand-held electronic machine that can perform mathematical operations. It has an integrated circuit chip, but its structure is much simpler than that of a computer.