zequals /ˈziːkwəlz/noun 1verb 1 noun1 •(rare) A technique for simplifying mental approximations by reducing each number to one significant figure followed by zeroes. verb1 •(rare) Is equal to, after performing such a reduction.Using Zequals, whenever you encounter a number, you immediately round it to a single digit followed by zeroes (if it's bigger than ten). So for example: 18 zequals 20. 142 zequals 100. 2.3 zequals 2. — 2016
