The main objectives of the Calcutta Mathematical Society comprise of but are not limited to the following.

To encourage and promote mathematical study and research.
To improve mathematical studies.
To write, compile and publish journals, books and reports in mathematical sciences.
To assist, subscribe to or cooperate with any other society, having objectives similar to itself.
To establish a forum for the research workers and teachers of mathematics for exchange of ideas through regular periodic meetings.
To maintain a library with books and journals to cater the needs of teachers and research workers.
To publish research works of mathematicians of India and abroad.
To invite outstanding scholars to deliver memoirs and special lectures on their own contributions, and review of modern topics.
To organize independently or jointly with similar institutions seminars/symposia/workshops on different fields of pure and applied mathematics.
To hold periodic meetings and discussion towards the improvement of teaching of mathematics and subjects of popular interest.