I took Century 21 shorthand in high school. It is a form of shorthand, just like Gregg or Pittman, although each one is a little different.
Chat with our AI personalities
100 - 21 = 79
2099
Because years 1-100 are in the first century; years 101-200 are in the second century, and so on... 2010 is in the 21st century.
in
Michio kakuo