Move the cursor

Move the cursor to the leftmost column

Move the cursor to the rightmost column

… to F9: Set/toggle the filtered digit

… to F9: Set/toggle the filtered digit and switch the filter mode (allowed/forbidden)

If a filter is active and the current cell is filtered: Toggle the filtered candidate in the cell

If a filter is active and the current cell is filtered: Set the filtered candidate in the cell

Set/toggle background color of the selected cell

Reset background on all cells

If a "filter" is set (check below), toggles the filtered candidate

Create a new random sudoku

Save sudoku

Undo

Redo

Copy candidates to clipboard

Copy givens to clipboard

Paste sudoku from clipboard

Restart game

Show next step

Set all singles

If a filter is active: Set the next digit

If a filter is active: Set the previous digit

Move the cursor to the topmost row

Move the cursor to the bottommost row

Expand the range of selected cells

Move the cursor to the next unsolved cell

Set difficulty level for newly created sudokus (higher number is harder)

Show vage hint

Show concrete hit

Show sudoku only

Show all possible steps for current state

Show summary of steps used to solve the sudoku

Show solutions

Edit preferences

Show all possible candidates in cell with focus (only if "Options|Show all candidates" is not set)

Open puzzle file

If filters are applied, the cursor is moved to the next unsolved cell, that contains the filtered candidate

Sets the value in the highlighted cell; givens (shown in black) cannot be overridden.

Quit program

Print sudoku

Show all possible candidates in all cells (only if "Options|Show all candidates" is not set)

Toggle the candidate in the highlighted cell