- percentage
- percentage error
- percentage problem
- percentile deviation
- perceptron
- percolation
- percolation process
- perfect 1-factorization
- perfect 1-factorization
- perfect closure
- perfect code
- perfect collinearity
- perfect compactification
- perfect congruence
- perfect cube expression
- perfect cube number
- perfect cycle
- perfect delay convention
- perfect field
- perfect field
- perfect graph
- perfect graph conjecture
- perfect group
- perfect hypergraph
- perfect information estimation methods