It is in the same place as on the regular key board, to the right of the "/" key and under the Enter key.
It's just for convenience, I believe. Because when you are typing, each hand is close to the shift key.
Hold down the SHIFT key (immediately below Caps Lock key on most keyboards)
The key combination [Shift]+2 should do for standard keyboards to type the "at" (@) sign.
Just press the left SHIFT key and press the number 8 key
Just press SHIFT key...
To type the "@ symbol," press and hold the Shift key on your keyboard and then press the number 2 key (usually located above the letter Q on most keyboards). This combination will produce the "@" symbol on your screen.
On the most common keyboards (qwerty) an underscore is created by pressing the shift button in combination with the "-" (minus) key. Example of underscore: _
shift 2 = @
As with any other operating system, you would type an underscore by pressing the key on your keyboard with that character. On most keyboards, you can type an underscore (_) by pressing Shift and the hyphen key.
Shift + 2 on some other keyboards than US you can try: right Alt + 2 right Alt + V
Older style office keyboards and specific purpose keyboards have F13. Most general keyboards don't have it.
Hold shift and press the letter you want. Use the 'shift buttons'. On most keyboards there are two, one at either end. They are normally an arrow pointing upwards. Simply hold this key down whilst you press the required button.