This is the free book of B.S. GREWAL entitled “HIGHER ENGINEERING MATHEMATICS” which is available on Google Play Store for Android and Apple iOS devices. 

This book provides all the basic concepts of engineering which a student must learn in his/her engineering curriculum. It is divided into four parts which are referred to as Units. In this app, there are four units, and each unit contains some chapters. So, if you want to learn more about a certain concept, you can go through the chapters of that unit. Each unit has a detailed explanation of certain topics so that the student can get a better understanding of the concept.

This app contains many topics, and each topic has its subtopic which explains the concept in detail. So, if you are a student who wants to learn more about the topics of linear algebra, you can go through the topics of this unit.