latitude E6400 Numlock key

We have a Latitude E6400 laptop and would like to know where is the numLock key is located?

 

Can anyone help with this question....

 

Hot Keys
o F2 boot to BIOS.
o F12 boot device menu.
0 Fn+F1 sleep/hibernate per power management setting.
o Fn+F2 battery charger ON/OFF.
o Fn+F3 DCP Power Manager Battery Status.
o Fn+F4 numlock ON/OFF for embedded Fn+numeric keypad.
o Fn_F5 scroll lock ON/OFF.
o Fn+F7 DCP.
o Fn+F8 display device.
o Fn+D display OFF/ON (conserve battery without shutting down entire system).
o Fn+Z reset fan temperature table and sensor.
o Fn+Right-Arrow keyboard illumination OFF/ON Auto ALS (lit upon input in dim lighting)/ON (lit upon input). Use DCP to set input device, brightness, and auto OFF delay.
o Fn+Left-Arrow display Ambient Light Sensor OFF/ON (brightness varies with ambient lighting).
o Fn+Up/Dn-Arrows override display brightness until boot to BIOS setting and/or power mananagement setting.
o Alt+Fn+F11 screen shot.

GK

 

Thank you...this will help us