THESE two volumes of newly compiled tables of physical and chemical constants cover very much the same ground, though differing greatly in many respects. The larger volume of 318 pages is a revised ...

One formula filters, dedupes, and ranks your data into a live list. No more manual sort or remove duplicates.

Six years have elapsed since the publication of the fourth edition of these invaluable tables, and it is significant of the change in scientific outlook that the first page of the book is now devoted ...

The CBSE Class 12 Informatics Practices exam will be held on March 25. As 50% of the 2026 paper is expected to be ...