q-Derivative
The q-Analog of the Derivative, defined by
For example,
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In the Limit
, the 
-derivative reduces to the usual Derivative.See also Derivative- Psi Function
- p-Signature
- PSLQ Algorithm
- PSOS Algorithm
- P-Symbol
- Ptolemy Inequality
- Ptolemy's Theorem
- Public-Key Cryptography
- Puiseaux's Theorem
- Pullback Map
- Pulse Function
- Purser's Theorem
- Pursuit Curve
- Push
- Puzzle
- P-Value
- Pyramid
- Pyramidal Frustum
- Pyramidal Number
- Pyritohedron
- Pythagoras's Constant
- Pythagoras's Theorem
- Pythagoras Tree
- Pythagorean Fraction
- Pythagorean Quadruple