A BAT keyboard is a one-handed keyboard

Computer keyboard

In computing, a keyboard is a typewriter-style keyboard, which uses an arrangement of buttons or keys, to act as mechanical levers or electronic switches...

 consisting of a base, on which the hand rests, and seven keys

Button (control)

A push-button or simply button is a simple switch mechanism for controlling some aspect of a machine or a process. Buttons are typically made out of hard material, usually plastic or metal. The surface is usually flat or shaped to accommodate the human finger or hand, so as to be easily depressed...

. Through pressing combinations of keys, one can attain the same functions as a regular keyboard.

The keyboard can be useful for those with a disability and also as a complement to the mouse, on which the other hand can remain. The BAT keyboard exists in left-handed and right-handed versions, which can also be used simultaneously with each other or even with another alphanumeric keyboard if desired.

External links

• BAT keyboard — One-handed desktop chording keyboard
• Manual shows chord layout