>Also, you do not need to know Calculus, or pre-calculus, or trigonometry, or geometry, or algebra, or pre-algebra in order to build, say an Android twitter app

>Also, you do not need to know Calculus, or pre-calculus, or trigonometry, or geometry, or algebra, or pre-algebra in order to build, say an Android twitter app. At this stage you don't really need to know comp sci either. Just watch a tutorial and follow the steps.