This app provides an interactive tabular view of the periodic table of chemical elements. It shows the periodic table in a simple and intuitive way, making it easier to understand and learn about the periodic table of elements. 

The interactive tabular view allows the user to change the tabular data by selecting one or more columns or rows. The user can also add, delete, and reorder the columns and rows. 

The user can also sort the data by any column or row and also by the selected column or row. 

There are a number of options for sorting the data: ascending, descending, left to right, and right to left.