Internship and career opportunities for those with a bachelor's degree in mathematics include statistical research, actuarial science, research opportunities in a variety of scientific and pharmaceutical industries, computer and software industry, accounting and finance, sales and marketing, engineering, operations research, modeling, health services and more. bachelor's degree in mathematics is an excellent foundation for graduate school. Opportunities for continued studies include mathematics, physics, computer science, bioinformatics, computational biology, computational sciences, engineering and more.