Zero

Zero or 0 is a number with the value null in mathematics.

It’s a number that is neither positive nor negative.

In simple words, it means empty or nothing.

• 5 + 0 = 5
• 0 – 7 = -7
• 6 * 0 = 0
• 0/5 = 0, but 5/0 is undefined

A number line from −3 to 3, with 0 in the middle