In this book the author Shakuntala Devi who is also known by the name Human Calculator has brought forward what people think about Mathematics. People actually feel that dealing with number is a big task to do and what they think they instill in the minds of their children as well and this brings disharmony about Mathematics in the society and therefore our country that is regarded the inventor of Mathematics is day by day forgetting the wonderful aspects of Mathematics.
She also told about some good tricks that we can use to make our calculation even faster , that might help us build good skills of calculating fastly and effiently.
She has covered this much stuff in the book, but the way of depicting her in every chapter is super awesome. She faced some situations and how she dealt with it she told about this to the readers.