Ko ngā tau kei runga ake i te kore. He tau tōrunga te +3, he tau tōrunga hoki te +3.2 me te +3.25. Kāore i te rerekē te +3 me te 3. I ētahi wā ka whakaaturia te tohu +, he wā anō kāore e whakaaturia.
The numbers above zero. The + sign is used to show a positive number, +3, +3.2 and +3.25 are all positive numbers. There is no difference between the numbers depicted by +3 and 3. Sometimes the + sign is shown, other times it is not.