Mathematics (often abbreviated as "mathematics") is a discipline that studies concepts such as quantity, structure, change, space and information, and belongs to a formal science from a certain point of view. Mathematicians and philosophers have a series of views on the exact scope and definition of mathematics.
The purpose of learning negative numbers is:
Because negative numbers have specific meanings in science and life, the range of numbers is expanded. Make the description more specific. Learning negative numbers can let you know how to calculate some abstract processes.
Extended data:
Application of negative numbers
Negative numbers can be widely used in temperature, floor, altitude, water level, profit, increase and decrease of output, expenditure/income, score/deduction and so on. Now I am in the sixth grade of primary school. There is also a first-grade study.
References:
Baidu Encyclopedia _ Mathematics and Negative Numbers