the author approach to the topic was mainly historical and that was not what i anticipated however it improved at the end of the book. i liked his astonishment from the author that how could calculus be in sync with universe. the answer is there long time ago. simply the creator made it like that. chapter 36 verse 40, chapter 55 verse 5 say it all from the holy Book of Quran. and don't they read chapter 4 verse verse 82 they will find what they look for.