The Author is a Professor of Mathematics with teaching experience of over 40 years in different colleges in India. His subjects include Engineering Mathematics, Applied Statisitics, Numerical methods, Operations Research to name a few. He graudated from Loyola College, Chennai, India in 1966 with major in Statisitics and complted his P.G from Presidency College, Chennai, India - in 1969. He began his teaching career in June 1970 and retired in May 2014. Presently he is active as a Financial Consultanat and Insurance Advisor in Exide Life Insurance.