Thank you for sharing this. I used calculus book that written by Mathematics department of my university. Beside that, I read Calculus book by Purcell et al. [

Thank you for sharing this. I used calculus book that written by Mathematics department of my university. Beside that, I read Calculus book by Purcell et al. [1]. This book is a good choice for supplement and exercise. [1]: https://www.amazon.com/Calculus-Differential-Equations-Dale-Varberg/dp/0132306336 https://www.amazon.com/Calculus-Differential-Equations-Dale-...