There are some things in mathematics which are supposed to be known first before someone can find mathematics easy to understand. It is lack of knowledge of these certain simple things that usually makes mathematics look strange and difficult to understand.

It has been like this (students finding mathematics difficult), because students are not usually first made to know, or learn, the things which are essential for understanding mathematics at school, or for understanding mathematics generally. This book is intended to make mathematics easy for all to understand, by exposing and explaining the things which are supposed to be known first for someone to start understanding usual mathematics.

After going through this simple book and understanding the things and information presented in the book, a student should start finding usual school mathematics easy to understand. This book is a reading material for helping beginners in High School (Secondary School) to find mathematics understandable from the start.

It is also for helping those finding mathematics difficult to understand, at different levels, to start to find the subject understandable. It is a simple book containing an aspect of mathematics that is essential for understanding usual school mathematics.

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