4 Years Full-Time
40 Places
CAO Points 590 (2022)
CAO Code TR031


What is Mathematics?

Mathematics is a broad and diverse subject which is used to model, analyse and understand several applications in the physical and biological sciences, engineering, management science, economics and finance. Its numerous applications are naturally interwoven with the underlying theory which is essential in developing one’s logical reasoning, quantitative skills and problem-solving techniques.

Mathematics: The course for you?

Mathematics is an excellent choice for anyone hoping to meet the demand for mathematics graduates in the job market, which values numeracy, ability in abstract reasoning and the skill to turn ideas into methods. If you have a natural ability in mathematics and are genuinely interested in applying mathematical solutions to problem solving, then this course will suit you well. It is also a great start for a career in actuarial work, finance or accounting, although these will require further training. The course has been successful over a long period in providing diverse career opportunities for many students.

Mathematics at Trinity

Trinity is justly proud of its long tradition of excellence in mathematics. Research interest in the School of Mathematics is enormously varied; ranging from the abstract ideas of modern algebra and analysis to practical ideas of numerical analysis, modelling and computer algorithms; the nature of fundamental particles and general relativity; nonlinear systems and fluid mechanics. This departmental diversity is reflected in the specialist degree-level courses available to students. With an academic staff that brings expertise and experience from many parts of the world, the course aims to be world class, with options for study and research in a wide range of mathematical areas.


The pathways available are Single Honours, Major with Minor and Joint Honours. 

Do you enjoy…

  • Working with numbers?
  • Solving practical problems?
  • Improving your analytical skills?

Graduate skills and career opportunities

A degree in mathematics opens up the possibility of a career in a variety of industries and sectors. Graduates have found employment in computing, where mathematics skills have immediate and practical application. The financial services and internet security sectors are also common first destinations for graduates. Other options include statistics, teaching, accountancy, actuarial work, finance, and all areas of pure and applied mathematics. Many of these involve further study or intensive research in leading universities including Cambridge, Oxford, Imperial College London, etc.

Your degree and what you’ll study

The programme is designed to provide a broad mathematical training that will allow you to work in any environment that requires strong numerical and logical skills.

The modules offered can be grouped into four areas:

a) Pure mathematics which explores fundamental concepts and abstract theories

b) Applied and computational mathematics which deals with practical problems

c) The mathematics of theoretical physics

d) Statistical models and methodology

The overall structure of our programme can be briefly summarised as follows.

First and second years

Students take common modules in order to develop their skills and overall background in calculus, linear and abstract algebra, and other related subjects. Although most of the first and second year modules are compulsory, students are also able to choose a few approved modules in areas such as probability, statistics and theoretical physics (as well as Trinity Electives during the second year).

Third and fourth years

Students choose their own modules and thus specialise in the areas they find most interesting and appealing. There is a broad selection of modules in pure mathematics, theoretical physics, statistics and computer science (as well as Trinity Electives during the third year).

Click Here for further information on modules/subject.

Study abroad

Students may choose to spend their third year to study abroad at one of our partner universities as part of an exchange programme. In particular, some of our students have recently completed their third year of studies at the University of Durham (UK), Université Lille 1 (France), the University of California at Berkeley (USA), McGill University (Canada) and the University of Melbourne (Australia).

Trinity College Dublin and Columbia University Dual BA Programme

Two BA Honours Bachelor Degrees (NFQ Level 8) Degrees awarded by Trinity College Dublin, The University of Dublin and Columbia University

What is the Dual BA Programme?

The Dual BA Programme between Trinity College Dublin and Columbia University offers students a unique opportunity to earn two BA degrees while spending the first two years at Trinity and years three and four at Columbia University in New York.

The Dual BA: The course for you?

This course is for those interested in expanding their experience to gain a truly international education. Students in the Dual BA Programme graduate with two BA degrees, one from Trinity and one from Columbia. After the first two years in Trinity, students then spend a further two years at Columbia, where they fulfil the requirements for one of the approved majors while also completing Columbia’s core curriculum. Students also undertake additional study to meet the requirements of the Trinity BA, including a Capstone project.

Your degree and what you’ll study

At Trinity students take courses in algebra, analysis, mechanics, computation and statistics. Students will expand their knowledge in social sciences, and foreign languages. At Columbia, students undertake further study in the field of Mathematics and can major in Mathematics, Applied Mathematics, Computer Science- Mathematics, Mathematics-Statistics or Economics-Mathematics.

Application process and requirements

Applicants to the Dual BA Programme must apply by 2nd January 2024 for September 2024 entry. The admissions process includes a review of the applicant’s academic history, letters of recommendation, an essay, and an interview conducted in English. Applications are reviewed by a joint committee with representatives from both Institutions. EU applicants to the Dual BA Programme must also apply to and receive an offer from their chosen programme at Trinity through the Central Applications Office (CAO).

Further information and contact details:

Study Maths at Trinity College Dublin

This is a short lecture on Maths at Trinity College Dublin provided by Professor Paschalis Karageorgis.

Course Details



CAO Information

CAO Points 590 (2022) CAO Code TR031

Number of Places

40 Places

Course Director

Nicolas Mascot                                                                              

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Course Options

Mathematics has the following entry options:

TR031 Single Honours Mathematics AND Joint Honours options as follows:

Related courses:

TR035: Theoretical physics

Admission Requirements

Leaving Certificate H3 Mathematics

Advanced GCE (A Level) Grade B Mathematics

International Baccalaureate HL Grade 6 Mathematics

Course Fees

Click here for a full list of undergraduate fees.


To apply to this course, click on the relevant Apply Link below

EU Applicants

Read the information about how to apply, then apply directly to CAO.

    Non-EU Applicants

    Advanced Entry Applications

    Read the information about how to apply for Advanced Entry, then select the link below to apply.


    What our current students say

    Maria Munoz Lopez

    "The programme at Trinity has given me a passionate and well-rounded education in mathematics. It has given me the chance to study many different areas of maths, as well as the possibility to study abroad in Australia and spend time working on research projects in the US. The opportunities and the high level of support have made me wish to continue my career in maths, and pursue a Ph.D. at the University of Minnesota."

    What our graduates say

    Aoibheann Brady

    "The maths degree at Trinity allowed me to explore a wide range of topics, and the research programmes for undergraduates guided my decision to pursue a PhD at the University of Bath. I also worked in finance during summers and after graduating, the possibilities open to me have been incredibly broad.

    The course had great social aspects: I have made friends for life through the Mathematical Society and was a founding member of the “Ireland for CERN” campaign – an experience not available elsewhere. The standard of courses, the opportunities, and the level of support and engagement of academic staff make choosing the degree a fantastic decision.”

    Adam Keilthy

    “The mathematics degree in Trinity truly broadened my mathematical horizons. With such a broad range of topics available, and such positive student-staff interaction, I was inspired to pursue a PhD in Oxford. However, academia was not my only option: many of my peers pursued careers in finance, computing and industry. The courses are well designed, and the staff are engaging and dedicated to helping students. Having so many courses to choose from allows you to tailor the degree to your interests perfectly. While the work can be hard, it is extremely rewarding and so I would highly recommend maths as an option to those with an interest.”