was genau hast du nicht verstandenMathematics is a science that is primarily based on logic. So why did we often find it so difficult to understand the simplest formulas at school? Well, it seems that the majority of people who want to teach math have two particular characteristics: They tend to be messy and have illegible, but often very fast handwriting. As a result, by the end of a lesson, the blackboard is completely scribbled over with formulas with no apparent context and silent