21 Easy Calculation Tricks

“This book will definitely help you in your mathematics examinations.when your class became higher and higher then in maths one thing is always be there , that is “”CALCULATION””you cannot escape from calculation. I had seen several of kids who are scholar in maths but their marks are deducted because of calculation mistakes .
So, here comes a 100% paisa vassool maths tricks book for them . this book will surely increase their marks . And make your maths calculation easy and exciting.”