You are not in “Keypad” mode where the numeric keys (top row) of the keyboard will behave like the PC numeric keypad. Use Command-K to enter this mode.

You are in “Keypad” mode where the numeric keys (top row) of the keyboard behave like the PC numeric keypad. Use Command-K to exit this mode.

You are not in “Function” mode where the numeric keys (top row) of the keyboard behave like PC function keys F1-F12. Use Command-F to enter this mode.

You are in “Function” mode where the numeric keys (top row) of the keyboard behave like PC function keys F1-F12. Use Command-F to exit this mode.

Scroll Lock is off.

Scroll Lock is on.

Num Lock is off.

Num Lock is on.