Tutoring: Providing one-on-one or group instruction in mathematics to students of all ages.

Problem solving: Assisting individuals or organizations with solving mathematical problems, either through one-time consultations or ongoing support.

Data analysis: Using mathematical techniques to analyze and interpret data for clients in various industries, such as finance, healthcare, or social sciences.

Research: Conducting original mathematical research for clients, such as developing new algorithms, exploring mathematical theories, or creating models to solve real-world problems.

Writing: Creating mathematical content for clients, such as textbooks, articles, or software documentation.