Answer to Question #3399 in Algebra for dene

Question

Can zero be negative?

Answer 1

In ordinary arithmetics there is one zero,& -0 = +0 = 0,& but& the floating point arithmetics,& some computations, matematical analysis (one-sided limits) require positive and negative zeroes.& "-0" is also used in physics, that is& "-0 C" means the tamperature below freesing.