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 <td>CLion, produced by JetBrains - the same company who made Intellij IDEA, is a powerful IDE for C++. Free educational licenses are available OR you can try out their <a href="https://confluence.jetbrains.com/display/CLION/Early+Access+Program">EAP (Early Access Program)</a> which is still free as of Aug, 2016. You may want to turn off its code inspection feature as it will cause quite a bit of lag.</td>
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+<td>★★☆</td>
+<td><a href="https://www.jetbrains.com/idea/#chooseYourEdition">OnlineGDB</a></td>
+<td>Web Based IDE</td>
+<td>OnlineGDB is a full packed Web IDE which is used for almost all the languages like C++,JAVA,Python,Pascal.Be sure to check out <a href="https://www.onlinegdb.com/">OnlineGDB</a>, a very helpful multi-language web based IDE</td>
+</tr>
+<tr>
 <td>★☆☆</td>
 <td>Other IDEs</td>
 <td>Mixed</td>
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 <td>★★☆</td>
 <td>
+<a href="https://courses.csail.mit.edu/6.042/spring17/mcs.pdf">Mathematics for computer Science</a>, by  Albert R. Meyer, Eric Lehman, and Frank Thomson Leighton</td>
+<td>The book offers all the topics that are required in Computer Science .</td>
+</tr> 
+<tr>
+<td>★★☆</td>
+<td>
 <a href="https://www.amazon.com/Concrete-Mathematics-Foundation-Computer-Science/dp/0201558025">Concrete Mathematics: A Foundation for Computer Science</a>, by Ronald L. Graham, Donald E. Knuth, Oren Patashnik</td>
 <td>The book offers a deeper insight into Discrete Mathematics with more emphases on number-related topics.</td>
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