Lt Cdr Smita Mohanta Ghosh, is a Mechanical engineer with Masters in Business Administration and Post Graduate diploma in Naval Construction from IIT, Delhi. She has been guiding people in the concepts of Mathematics since a decade. The credit of writing this series goes to her husband, Mr Pratap Ghosh, who is a Banker by profession. He is a science graduate with Masters in Business Administration and also has a degree in Law. Looking at the passion of his wife in teaching the concepts of Mathematics, he encouraged her to write this series for the greater benefit of all, who need guidance in these concepts regularly.