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Reference.org
Rho
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<p>Rho is the seventeenth letter of the <a href="/facts/Greek_alphabet/1cHwB8Dg">Greek alphabet</a>. In the system of <a href="/facts/Greek_numerals/vTLzPG0W">Greek numerals</a> it has a value of 100. It is derived from <a href="/facts/Phoenician_alphabet/Vr4smuYg">Phoenician letter</a> <a href="/facts/Resh/PRjqY1m1">res</a> . Its uppercase form uses the same <a href="/facts/Glyph/A7Gesbxj">glyph</a>, Ρ, as the distinct <a href="/facts/Latin_alphabet/pqWVHpBz">Latin</a> letter <a href="/facts/P/41AF4mKp">P</a>; the two letters have different Unicode encodings. </p>