Execute Menu  

 

*Solve Naked Singles Once. One time solve the grid for naked singles.

*Solve All Singles Once. One time solve the grid for naked/hidden singles.

 

Clear Cell Highlights. Clear Cell all cell marks and highlighting.

Clear Candidate Marks. Clear Cell all candidate marks and highlighting.

 

Clear All Pencil Marks. Clear all manual user made pencil marks from the grid.

Clear Blue Pencil Marks. Clear only red user made pencil marks from the grid.

Clear Red Pencil Marks. Clear only blue user made pencil marks from the grid.

 

Undo Last Grid Change. Undo the last elimination or assignment.

Redo Last Grid Change. Redo the last elimination or assignment.

 

Transpose Grid. Row/Column transpose the grid and logic. One of the morph commands.