It refers to the difference in quantity between two numbers. In math the word difference is the result of subtracting one number from another. H- 0 Equation 2.
Further carrying on the debate of the difference between Mathematics and Statistics the latter is a specialised study relating to the interpretation collection.
Degrees in other majors. Addition subtraction multiplication and division. Starting with this view the actual and potential relationships of mathematics education as are search discipline to mathematics as a field of knowledge and activity and to the mathematicians carrying out that activity are analyzed. And the most important thing discovered by this is zero and the whole number system is changed after this.