| pad | DSP.Basic |
| parabolic2x_4p2o | DSP.Filter.FIR.PolyInterp |
| parzen | DSP.Window, DSP.Filter.FIR.Window |
| peakingEQ | DSP.Filter.IIR.Cookbook |
| permax | DSP.Estimation.Frequency.PerMax |
| pisarenko | DSP.Estimation.Frequency.Pisarenko |
| poisson | Numeric.Random.Distribution.Poisson |
| poly2iir | DSP.Filter.IIR.Design |
| polyadd | Polynomial.Basic |
| polyAddScalar | Polynomial.Basic |
| polyatan | Polynomial.Maclaurin |
| polyatanh | Polynomial.Maclaurin |
| polycos | Polynomial.Maclaurin |
| polycosh | Polynomial.Maclaurin |
| polyderiv | Polynomial.Basic |
| polydiv | Polynomial.Basic |
| polyeval | Polynomial.Basic |
| polyexp | Polynomial.Maclaurin |
| polyinteg | Polynomial.Basic |
| polyln1 | Polynomial.Maclaurin |
| polymod | Polynomial.Basic |
| polymult | Polynomial.Basic |
| polymultAlt | Polynomial.Basic |
| polyPolySubst | Polynomial.Basic |
| polypow | Polynomial.Basic |
| polyscale | Polynomial.Basic |
| polysin | Polynomial.Maclaurin |
| polysinh | Polynomial.Maclaurin |
| polysub | Polynomial.Basic |
| polysubst | Polynomial.Basic |
| polysubstAlt | Polynomial.Basic |
| poly_interp | DSP.Multirate.Polyphase |
| prewarp | DSP.Filter.IIR.Bilinear |
| prony | DSP.Filter.IIR.Prony |
| propSubstituteAlt | DSP.Filter.Analog.Transform |
| propSubstituteRecip | DSP.Filter.Analog.Transform |
| purple | Numeric.Random.Spectrum.Purple |