Daniël Mantione wrote:
The difference is of scientific meaning. If there were no negative zero, the precision around zero would be halved.

While true, its precision would be the same as the precision "around" all other numbers.

0 = -0.5 .. 0.4
1 =  0.5 .. 1.4
2 =  1.5 .. 2.4   etc...

Micha
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