 2nd-century mathematicians

The 2nd century was an important period for mathematics, particularly in the context of the Hellenistic tradition and the beginnings of the Roman Empire. Some key figures and developments in mathematics during this century include: 1. **Ptolemy (c. 100 – c. 170 AD)**: Though he was primarily known as an astronomer and geographer, Ptolemy made substantial contributions to mathematics, especially in trigonometry.