Rho

History Diacritics and other symbols Related topics

• Use as scientific symbols
• Orthography
• Romanization
• Cyrillization

Rho (; uppercase Ρ, lowercase ρ or ϱ; Greek: ρο or ρω) is the seventeenth letter of the Greek alphabet. In the system of Greek numerals it has a value of 100. It is derived from the Phoenician letterresh. Its uppercase form uses the same glyph, Ρ, as the distinct Latin letter P; the two letters have different Unicode encodings.