Our video lectures will make you an expert in the area of Mathematics and you will be better ready to face competitive exams like IITJEE Mains and advance. This package contains: An external hard drive which covered 117 hours of 267 video parts with 57 GB size. Supplemented with 422 pages and 17 MB size of e- study material. It covers Mathematics of XII standard CBSE, ICSE and competitive exams like IITJEE. Validity: 1 year. Compatible OS: Mac , License: Single Machine with Mac Operating System.