| 摘要 |
A user interface system for operating software on a computer includes a pointing device operable by a user's primary dexterous hand, a keyboard operable by the user's secondary dexterous hand, a matrix of keyboard keys on the keyboard. The matrix may include a first set of functions that are selected from a plurality of functions, and can be programmed to the matrix and displayed on the computer screen as a context menu. The selection of the functions being programmed to the matrix is dynamically linked to a previously executed function.
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