Displays the rectangular grid as defined in the Geom window.

Once the solution has started each Cell will show all possibilities for that Cell.

Will also show all Shape boundaries if they are defined to have a perimeter line.

**Buttons**

Options |
Opens the Options Menu to enable Shapes to be created and displayed, Initial Values to be entered, parameters to be changed, the Problem to be saved to disk, … |

Step by Step |
Starts the sequence of solving the problem by applying one algorithm at a time, you chose the sequence of algorithms |

Run |
Applies all algorithms automatically until the problem is solved or has reached the stage where a guess must be entered |

New Problem / Quit |
Returns to the Startup Screen so that a new problem can be specified or the program can be shut down. |