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Notes/pencil marks are small numbers that you can enter into cells when you aren't yet sure of the final answer. You can also add question marks and underlines. Underlines have special meaning, described below. Question marks aren't special - they're just there if you want them. Accounts
Daily Killer Sudoku
As you browse through the archives, you'll be able to see which puzzles you've solved and your solving times. Patreon You can use the Calculator to work out the cage combinations for any cage - even one that isn't in the puzzle. Just enter the cage's size (number of cells) and sum. Auto-sum automatically calculates the sum of multiple cages for you. Highlight the cells in multiple complete cages, and their combined sum will be displayed in the Combinations control. Cage combinationsPatreon is a membership platform that enables fans to financially support/reward independent content creators. If you wish to support Daily Killer Sudoku, I'd be incredibly grateful! A puzzle's difficulty level is estimated when it's generated, whereas the average solving time is the result of people solving it. The difficulty calculator gets it right a lot of the time, but ultimately it's only an estimate and so there are occasional disparities. If undo includes cage combinations is enabled (via the Preferences menu), then changes to cells (i.e. adding/removing numbers) and cage combinations (i.e. fades in/out) are both undone. Otherwise, only changes to cells are undone. This can happen with multi-cell selection. It means that some of the highlighted cells contain the value and some don't. So, for the button above, only some of the highlighted cells contain a 6.
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I've made a lot of improvements and I'll continue to make them over time, so hopefully any differences should become fewer and further between! Why can't I see printable puzzles? You earn a point for every puzzle you've solved. At various levels - 1 puzzle, 10 puzzles, 25 puzzles, etc. - your avatar will be adorned with a new badge in recognition of your achievement.
You can update all of the highlighted cells together by using the keyboard or the touchpad as normal. What is auto-sum?
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When the highlighted cells all belong to the same cage, the Combinations control shows its cage combinations. It updates automatically as you move between cages.Pressing a split button will add the value to the highlighted cells that don't already contain it. Can I solve the same puzzle on multiple devices? For example, consider a 2-cell cage with a sum of 5 - its cage combinations are 1 4 and 2 3. If fill uses cage combinations is enabled, the FILL button will only add the numbers 1 2 3 4 to cells within the cage. Multi-cell selection The FILL button (or F key) enters all numbers into the highlighted cells. If fill uses cage combinations is enabled (via the Preferences menu), then it only adds numbers that appear in the respective cage combinations, otherwise it adds all numbers from 1 to 9.
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