The subject of mathematics is often paired up with other subjects such as education, statistics, finance, and computer science. This pairing can give added value in the teaching, computer programming, and financial forecasting and planning fields.

Mexico, officially the United Mexican States, is a federal constitutional republic in North America. Working may require a work visa, which is difficult to get if you just want to freelance for a short time. Most of the government funded universities on mayor cities (state capital) have short courses on history, gastronomy and cultural subjects, most of them are almost free.