2nd-century BC mathematicians

The 2nd century BC was a significant period for the development of mathematics, particularly in the Hellenistic world and ancient Rome. Several key mathematicians and contributions from this era include: 1. **Euclid (c. 300 BC)**: While best known for his work earlier than the 2nd century BC, Euclid's influence extended into this period.

Kātyāyana is a name associated with several figures and concepts in Indian philosophy and literature. The most notable of these include: 1. **Kātyāyana (Philosopher)**: He is known as one of the ancient Indian grammarians and is often credited with significant contributions to the field of Sanskrit grammar. He is generally considered a follower of Pāṇini, the other prominent grammarian of ancient India.

Pingala can refer to different concepts depending on the context: 1. **In Indian Classical Literature**: Pingala is often associated with ancient Indian mathematicians, particularly in connection with the earliest known work on poetry metrics in Sanskrit, called the "Chandahsastra". This text, attributed to Pingala, outlines the rules of poetic meter and includes combinatorial mathematics. It is notable for using binary numbers to describe patterns in meter.