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3. Center current line: Backspace-Space-Enter-C.
4) Start/End Math Mode: Backspace-M.
5) Insert math symbol: Press Space-H in Math Mode, and press Enter on the
symbol in the list.
6) Next slide in PowerPoint file: Space.
7) Previous Slide in PowerPoint file: Backspace.
8) Go to slide in Power Point File: Enter-L.
9) Move back by double carriage return: Backspace-Space-2-3.
10) Move forward by double carriage return: Space-Enter-5-6.