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This is a collection of softwares and extensions. 7-Zip  : 7-Zip is an open source file archiver with a high compression ratio. My favou...

Recursion simply means self reference. In programming we usually call a function from itself. Recursion is a very powerful method of solvi...

This is an introduction to programming.

When Students cheat on exams it's because our School System values grades more than Students value learning. — Neil deGrasse Tyson (@ne...

When $a \ne 0$, there are two solutions to \(ax^2 + bx + c = 0\) and they are $$x = {-b \pm \sqrt{b^2-4ac} \over 2a}.$$ A Cross Product For...