What were you doing on September 11, 2011?

She remembers what she was doing on that day. She was sitting in her living room with her children watching the news when it happened. On September 11, 2011, it was her off day and she was living in Tulsa, Oklahoma with her mother. Everyone was steadily watching the news and also getting gas because … Continue reading What were you doing on September 11, 2011?


The zero is used to determine the positional value of a certain number within the mathematics world and to indicate the absence of quantity. The zero is needed in the positional number system that is used by people today. When you think about the position of any number in the positional numeral system it determines … Continue reading Zero