This is an application which have various tools to solve the Number Place puzzles. Although the Number Place puzzles are intriguing, if you try from intermediate to advanced level puzzles, you have to do a lot of steady work. As a result, not only it takes much time but also you may have mistakes. NumberPlace Tools makes the user concentrate on solving puzzles while taking care of simple tasks. Also, it helps the user to learn solving the puzzles with assisting functionalities, then he will be able to solve them without assistance. NumberPlace Tools has many assisting functionalities from elementary to advanced level, including Pencilmarks (tiny digits in a cell), Marks (paint cells in color), Hint, Naked Pairs, X-Wing, Forcing Chains and many others. It also has a powerful undo functionality. Since you can save undo history on each puzzle, you can keep the process of solving it. We provide 30 puzzles in 6 levels from elementary to the most advanced. We also provide the lessons for many important solving methods from elementary to advanced. A beginner will be able to solve up to the advanced level puzzles in one day. The lessons and helps are locally stored, there is no need to access the internet to see them. Enjoy exercising your brain with NuberPlace Tools on your spare time!