text: According to most computers, it's 'NaN'. Which is a symbol that stands for 'Not a Number', or 'stop asking me silly questions'.\n\nTechnically, x / y mean 'What is the number that, when you multiply it by y you get x?' So 0 / 0 means 'What is the number that, when you multiply it by 0, you get 0?'. To which the answer is obviously 'Any number you like.'