### Theory:

Real life situations of positive and negative are listed below:

 Positive Negative Increase Decrease Win Loss Credit Debit Up Down Deposit Withdraw Earning Owing Profit Loss Saving Spending Temperature above zero Temperature below zero Basement (Below ground level) Floor (Above ground level)

1.

The average temperature of the Antarctic Plateau is $-56.7\mathrm{°}C$.

2.

Your account balance is $$-100$$ rupees.

3.

This is a Giant isopod, which lives $$7000 \ feet$$ below $$(-7000 ft)$$ the ocean surface.

Important!
Integers are represented by the letter "$$Z$$".