Hi! Your welcome at queries idea. As per cbse guidelines, various schools have launched a policy of "standard and basic mathematics" in order to enhance effectiveness and productivity among the students. Here is the required information: Basic Mathematics: It is generated for those students who have a little or no scope of mathematical programming in their carrier like IAS, DSP and many more. It consists of basic and necessary information about concepts regarding formule, tricks, important questions and knowledge which is quite important to get good marks in your board exams. Standard Mathematics: It is developed for those students who need mathematical programming in their carrier like engineering, BSc etc. It involves deep text about every concept, access to 100's of sample papers with main emphasis on its complete derivation which will further help you in your higher study related to Mathematics.