dear student,In our painstaking but also pleasant effort to facilitate your studyand to organize the cognitive material according to the new material we created foryou a working formula/ manual, which we believe will form oneeffective "tool" on your way to the exams. We quote tothis in a methodical, concise and understandable manner all types, basic conceptsas well as the methodology for all your science coursesthey are necessary. These elements will allow the systematization of the studyyour, solving questions and focusing on key ones, to consolidate the material,highlights, which will help you decisively to respond torequirements of the (nationwide) exams. We are sure/convinced that you willthe methodical, comprehensible and organized manner attracts interestpresentation of these fundamental concepts. We hope soutilize this operating manual as well as cognitive assimilationof his material will be a decisive step for your personal successin the exams and the realization of your desired goal!