1. pi (Greek letter)
2. pi (constant)Mathematics, Only applies to π
3. pi (product notation)Mathematics, Only applies to Π
4. Pi (letter)Pi is the sixteenth letter of the Greek alphabet, representing [p p]. In the system of Greek numerals it has a value of 80. It was derived from the Phoenician letter pe . Letters that arose from pi include Cyrillic Pe (П, п), Coptic pi (Ⲡ, ⲡ), and Gothic pairthra (𐍀). The upper-case letter Π is used as a symbol for: The product operator in mathematics, indicated with capital pi notation ∏ (in analogy to the use of the capital Sigma Σ as summation symbol).
Read “Pi (letter)” on English Wikipedia
Read “Π” on Japanese Wikipedia
Read “Pi (letter)” on DBpedia
Read “Pi (letter)” on English Wikipedia
Read “Π” on Japanese Wikipedia
Read “Pi (letter)” on DBpedia
π 【パイ】
Discussions
Log in to talk about this word.