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What is a backlink? In the language of SEO, a backlink to your site is an HTTP URL from any other site which points to one of your webpages. Backlinks help bloggers and webmasters meet more traffic, better search engine reputation and gain better algorithmic parameters like Google Page Rank, Alexa Rank, Moz Rank, Domain…

Firefox is the most customizable web-browser packed with beauty and features plus this great browsing experience is enhanced by add-ons (extension and themes). The Firefox add-on repository addons.mozilla.org stores over two thousands  add-ons, all of different types and for different purposes. There are few great add-ons for blog-o-sphere too. In this post, I’ve listed the…

How many weeks are left before your final exams? Are you ready to score memorable grades? If not, you may just have to wait another 12 months to re-take exams and no student wants that to happen. GCSE students who fail won’t be able to pursue A-levels, and A-level students who fail (or get low…

Every student or graduate knows how hard the first experience of passing exams is. Preliminary preparation starves the nervous system and the physical condition of the human body, however, the exam itself is always a stressful situation, which requires a candidate a great manifestation of mental and physical abilities. Therefore, just the knowledge of a…

In this list, I have collected all useful and important free online calculus textbooks, mostly in downloadable pdf format. Feel free to download and use these. Elementary Calculus : An approach using infinitesimals by H. J. Keisler https://www.math.wisc.edu/~keisler/keislercalc-12-23-18.pdf Multivariable Calculus by Jim Herod and George Cain http://people.math.gatech.edu/~cain/notes/calculus.html Calculus by Gilbert Strang http://ocw.mit.edu/ans7870/textbooks/Strang/strangtext.htm Calculus Bible by…

Chemistry is a strange subject and to discover great things, Chemists had to suffer great as well. Here are 5 chemists killed or injured by their experiments. Karl Scheele He died while testing his discoveries. Scheele was a brilliant pharmaceutical chemist who discovered many chemical elements-Oxygen, Molybdenum, Tungsten, Manganese and Chlorine. He also discovered a…