 Portuguese mathematicians

The term "Portuguese mathematicians" refers to mathematicians from Portugal, or those who have made significant contributions to the field of mathematics while working in Portugal. Throughout history, several Portuguese mathematicians have made notable contributions in various areas of mathematics. Here are a few examples: 1. **Pedro Nunes (1502–1578)**: He is known for his work in navigation, geometry, and mathematical instrumentation. He invented the nonius, an early form of the Vernier scale.