As my opinion biju apps and sites are very helpfull to the education.One of the main features is that the instruCters give the easy proper way to studyAnother is to science studies.bijus app gaves animated well deeply desCribed meaning to all procedureEvery problem in mathematics is well defined by specialist by very understaning way
AS MY EXPERINCE ABOUT WHEN I BEGAN TO USE THIS APP IT WAS A TURNING POINT OF EDUCATION IN MY LIFE
Their customer support is outstanding if you had any doubts they will instantly call and clears itso guys I prefer 100 percetage you all