Division by zero is not allowed, an undefined operation. I've never seen a calculator display the infinity symbol, but it's probably better for the calculator to do that rather than display the message "You're not supposed to do that, dummy!"
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Not all calculators do; in fact most calculators display an error as division by zero is not possible.
77% is what it says on my calculator. Take 8 away from 35 which equals 27. Then you divide 27 and 35 so its 27 divide sign 35.
To quarter a number with a calculator, you simply divide the number by 4. For example, to quarter the number 20, you would enter "20 ÷ 4" into the calculator, which equals 5. This process divides the number into four equal parts, each representing one-quarter of the original number.
Same place as the minus sign
= or ent or enter
The mathematical symbol for "undefined" is the infinity symbol.