Realistic meaning of Negative numbers

I see no realism in negative numbers. You cannot have one of something and take away 2 of itself in reality – explained by physics.

Negative numbers are those which are less than zero . Examples of real-world uses of negative numbers include measuring temperatures which are below 0 and bank statements where money which has been withdrawn from an account is shown as negative. Elevation eg sea level.

If I was to determine Elevation and where zero should be it would either be at the core of the planet or the core of where you stand.

If I was to determine temperature and where zero should be it would either be the average of the temperature of the core of a star and the temperature of the “core of space” (that of the hottest hot and the coldest cold), or the average temperature of the collective species on Earth or of Man.

If I was to determine Credit and where zero should be it would be evaluated by the rate at which you earn and the value of this and that the credit evaluated by the rate is always equal to zero. You would fail to be more current than your rate being equal to zero – it is forever ongoing (changing) aswell as it is eternal (stable). Earth is earth. I am surprised that actual earthen mud is not more valuable than credit/cash being that it is what and where it is. It is probably figured when we realise the fertility values at places of non-fertile planes.