Here are directions to activate the numeric keypad from dummies.com:
The Hidden Numeric Keypad on Your Laptop
1
Open a program you can type in. (you can use the reply box here – DY)
Notepad or your work processor are good choices.
2
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4
Find the Num Lock key on your laptop’s keyboard.
It might be called NumLock, or NumLk, or Num, or it might even be labeled with some type of symbol.
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5
Attempt to activate Num Lock.
Press the Num Lock key. If nothing happens, try Shift+Num Lock.
If the text Num Lock is shown in a different color, find the matching-color key, such as Alt or Fn. Then press that key in combination with Num Lock.
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7
Deactivate Num Lock.
Press whatever key combination you used to turn it on.
8
Close the program.