A free app for Android, by Engineering Hub.

Engineering Mathematics – I is a free reference book for students studying civil engineering (CE). This is one of the most important books in the field of engineering mathematics, and it has been used as a textbook by many universities.

The book contains all the topics that are covered in the first year of the engineering course.  It contains chapters that are organized in an easy way that makes it easy for the reader to read and understand. This allows the reader to read and learn at their own pace. 

The book also includes exercises for the reader to practice and to help them to understand and to remember the concepts and facts learned. It is very important to read and understand the concepts and facts because they will be used in the next year of the engineering course.