Chris Beiser
ctbeiser@gmail.com 2011
Michael Hill
mdhillca@gmail.com

Creative Commons Share Alike 3.0

# Basics

Sudoku can be played using the keyboard, the mouse, or any combination of the two.

# Using the keyboard

To select a cell, use the arrow keys to move the blue outline onto it.

To put a number in a cell, select the cell, and then press the number.

To remove a number from a cell, select the cell, and then press the Delete key, the Backspace, or the 0 key.

# Using the mouse

To select a cell, move your mouse over it and click.

To put a number in a selected cell, click on the center of the cell, and then click on the number you wish to input.

To remove a number from a selected cell, click in the center of the cell and then click Clear.