Cassini's Identity
For 
the 
th Fibonacci Number,
See also Fibonacci Number
References
Petkovsek, M.; Wilf, H. S.; and Zeilberger, D. A=B. Wellesley, MA: A. K. Peters, p. 12, 1996.
- Parseval's Integral
- Parseval's Relation
- Parseval's Theorem
- Partial Derivative
- Partial Differential Equation
- Partial Fraction Decomposition
- Partial Latin Square
- Partially Ordered Set
- Partial Order
- Partial Quotient
- Particularly Well-Behaved Functions
- Partisan Game
- Partition
- Partition Function P
- Partition Function Q
- Part Metric
- Party Problem
- Parzen Apodization Function
- Pascal Distribution
- Pascal Line
- Pascal's Formula
- Pascal's Hexagrammum Mysticum
- Pascal's Limaçon
- Pascal's Rule
- Pascal's Theorem