Sudoku Technique - Lessons to

Not a collection of Sudoku puzzles!

This is not a collection of sudoku puzzles, but a classroom to teach you the methods and rules to solve sudoku puzzles. You can learn the following rules:

A1,A2,A3,A4,A5,A6,A7

B1

C1,C2,C3

D1,D2,D3

E1,E2

H1

X1

Y1

Box2Line

Line2Box

Na-kedPa-irBox

Na-kedPa-irLine

HiddenPairBox

HiddenPairLine

Chain

More rules are being developed and will be introduced later. Besides the rules, this app also teaches you how to use candidate list and depth-first-search to solve difficult puzzles.

Other features of the app:

- 3 levels * 100 sudoku puzzles are included

- each puzzle are labeled with difficulty, whether candidate list necessary to solve it, whether depth search necessary to solve it

- when help is pressed and a step is given, question button can be used to understand which how this step is calculated

- customize button can be used to enter difficult puzzles found elsewhere, this app will help you learn how to solve it

- when new customized puzzle is entered, you can use this app to evaluate

Become sudoku expert with this app!