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Is the zero point in mathematics a point or a number? Why is it called zero
Zero is a number.

Zero point, for the function y=f(x), the real number x with f(x)=0 is called the zero point of the function y=f(x), that is, the zero point is not a point. In this way, the zero point of the function y=f(x) is the real root of the equation f(x)=0, that is, the abscissa of the intersection of the image of the function y=f(x) and the X axis.

Meaning is the number of abscissa of a point when the ordinate is zero.