Must read book for every one reading in high school or senior secondary school.This also Good books for teachers.Good collection of Formula in very logical and coherent manner.
Unique book of its kind.I strongly approve for new readers.

Navin

It's really an effective book.

this book is not new

Good

Gives the definitions precisely , just what you would expect from a dictionary nothing more nothing less.GO FOR IT MUST BUY. ANY MATHEMATICAL TERM.