Today I added the reference data section (http://k-tree.ru/spravochnik /), in general, when I conceived this site, I the first the queue wanted to place reference books and tables, because often in textbooks I met "we take the coefficient from tables", "look from table", and from which table - not said, and if and said - look for it.
The first table is a table of the solubility of chemical elements:
http://k-tree.ru/spravochnik/himiya/tablica_rastvorimosti
Я сделал подсветку столбца и строки, что бы было удобно view the table, also, if hover the connection and description are displayed on the -cell.
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