Sudoku 9^2

The problem recorded is 2220 questions
∙ Super simple challenge to super challenge
∙ Easy operation, you can play offline
∙ There are many convenient functions to solve
∙ There is no display of advertisement
∙ You can make problems by yourself

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[Sudoku 9 ^ 2] It is an application of the player.
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∙ I will tell you how to solve.
∙ Operation is simple and kids can play.
∙ You can display the answers for all problems.
∙ You can print the problem.
∙ When applying the update, a new problem will be added.
∙ We will introduce more than 30 different ways of solving Sudoku.
Naked Single
Naked Pairs
Naked Triples, Naked Quintuplet
Hidden Pairs
Hidden Triple
Pointing Pairs
X-Wing
XY-Wing
Y-Wing
Finned Fish
Sashimi Fish
Sword Fish
Simple Chain
XY-Chain
Remote Pairs
Locked Candidates
ETC.
∙ We prepared functions of undo and redo when mistakes were found.
∙ You can check if the answer is correct.
∙ You can use a pen (9 colors) and an eraser to write lines and circles.
∙ You can check duplicate answers.
∙ We prepared a function to display the time spent on answer.
∙ Samurai Sudoku and Killer Sudoku are not supported.

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It is an application of [Sudoku 9 ^ 2] editor.
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∙ You can create problems yourself.
∙ You can check whether the problem you created can be solved.

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[Sudoku 9 ^ 2] It is an application of solver.
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∙ There are problems published in newspapers, books and websites.
∙ You can check if these problems can be solved.

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[Features of the application]
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∙ Graphics and animation are not used.
∙ Simple, eye-friendly screen.

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This application was developed by the uxi plan.
In addition, inquiries thank you here.
http://uxiplan.wix.com/sudoku/