Notations P
,
,
,
,
,
,

- Painlevé transcendents; §32.2(i)

- alternative notation for the complementary error function; §7.1
(with
: complementary error function) 
- restricted number of partions of
; §26.10(i) 
- Riemann’s
-symbol for solutions of the generalized hypergeometric differential equation; (15.11.3)
(=
=
)- Weierstrass
-function; (23.2.4) 
- total number of partitions of
; ¶ ‣ §26.2 
- notation used by Batchelder (1967, p. 63); §8.1
(with
: incomplete gamma function)
:
with 
- ; §14.1
:
with 
- ; ¶ ‣ §14.3(i)
:
with 
- ; §14.1
:
with 
- ; ¶ ‣ §14.3(ii)

- Legendre polynomial; Table 18.3.1
:
with 
- ; §14.21(i)

- number of partitions of
into at most
parts; §26.9(i) 
- notation used by Erdélyi et al. (1953a), Olver (1997b); §14.1
(with
: Ferrers function of the first kind) 
- Ferrers function of the first kind; (14.3.1)

- associated Legendre function of the first kind; (14.3.6)

- associated Legendre function of the first kind; §14.21(i)

- shifted Legendre polynomial; Table 18.3.1

- notation used by Magnus et al. (1966); §14.1
(with
: Ferrers function of the first kind) 
- notation used by Magnus et al. (1966); §14.1
(with
: associated Legendre function of the first kind) 
- notation used by Szegö (1975, §4.7); §18.1(iii)
(with
: ultraspherical (or Gegenbauer) polynomial) 
- Jacobi polynomial; Table 18.3.1

- conical function; §14.20(i)

- normalized incomplete gamma function; (8.2.4)

- Weierstrass
-function; §23.1 
- notation used by Curtis (1964a); ¶ ‣ §33.1
(with
: regular Coulomb function and
:
: factorial) 
- notation used by Erdélyi et al. (1953b, Chapter 13); §19.1
(with
: Legendre’s complete elliptic integral of the third kind) 
- associated Legendre polynomial; (18.30.6)

- number of partitions of
into at most
distinct parts; §26.10(i) 
- number of partitions of
into at most
parts, each less than or equal to
; §26.9(i) 
- associated Jacobi polynomial; (18.30.4)

- Meixner–Pollaczek polynomial; ¶ ‣ §18.19

- triangle polynomial; (18.37.7)

- notation used by Abramowitz and Stegun (1964, Chapter 17); §19.1
(with
: Legendre’s incomplete elliptic integral of the third kind) 
- Weierstrass
-function; (23.3.8) 
- Pollaczek polynomial; (18.35.4)

- little
-Jacobi polynomial; (18.27.13) 
- big
-Jacobi polynomial; (18.27.6) 
- continuous Hahn polynomial; ¶ ‣ §18.19

- big
-Jacobi polynomial; (18.27.5) 
- Askey–Wilson polynomial; (18.28.1)

- phase; (1.9.7)

- Airy phase function; §9.8(i)

- alternative notation for the complementary error function; §7.1
(with
: complementary error function) 
- Euler’s totient; (27.2.7)

- phase of derivatives of Bessel functions; (10.18.3)

- fold catastrophe; (36.2.1)

- cusp catastrophe; (36.2.1)

- swallowtail catastrophe; (36.2.1)

- cuspoid catastrophe; (36.2.1)

- sum of powers of integers relatively prime to
; (27.2.6) 
- Jacobi function; (15.9.11)

- notation used by (Truesdell, 1945); §25.12(ii)
(with
: polylogarithm) 
- combined theta function; §20.11(v)

- elliptic umbilic catastrophe; (36.2.2)

- hyperbolic umbilic catastrophe; (36.2.3)

- generalized Bessel function; (10.46.1)

- notation used by Humbert (1920); §13.1
(with
: Kummer confluent hypergeometric function) 
- Lerch’s transcendent; (25.14.1)

- first
-Appell function; (17.4.5) 
- second
-Appell function; (17.4.6) 
- third
-Appell function; (17.4.7) 
- fourth
-Appell function; (17.4.8) 
- basic hypergeometric (or
-hypergeometric) function; (17.4.1) 
- basic hypergeometric (or
-hypergeometric) function; (17.4.1) 
- set of plane partitions; §26.12(i)

- notation used by Gauss; §5.1
(with
: gamma function) 
- number of primes not exceeding
; (27.2.2) 
- notation used by Herz (1955, p. 480); §35.1
(with
: multivariate gamma function) 
- notation used by Abramowitz and Stegun (1964, Chapter 17); §19.1
(with
: Legendre’s complete elliptic integral of the third kind) 
- Legendre’s complete elliptic integral of the third kind; (19.2.8)

- notation used by Erdélyi et al. (1953b, Chapter 13); §19.1
(with
: Legendre’s incomplete elliptic integral of the third kind) 
- Legendre’s incomplete elliptic integral of the third kind; (19.2.7)

- number of plane partitions of
; §26.12(i) 
- generic Jacobian elliptic function; (22.2.10)

- spheroidal wave function of complex argument; §30.6

- notation used by Meixner and Schäfke (1954) for the spheroidal wave function of complex argument; §30.1
(with
: spheroidal wave function of complex argument) 
- spheroidal wave function of the first kind; §30.4(i)

- notation used by Meixner and Schäfke (1954) for the spheroidal wave function of the first kind; §30.1
(with
: spheroidal wave function of the first kind) 
- Chebyshev
-function; (25.16.1) 
- notation used by Davis (1933); §5.1
(with
: psi (or digamma) function) 
- notation used by Gauss, Jahnke and Emde (1945); §5.1
(with
: psi (or digamma) function) 
- psi (or digamma) function; (5.2.2)

- Pearcey integral; (36.2.14)

- canonical integral; (36.2.4)

- polygamma functions; §5.15

- canonical integral; (36.2.6)

- canonical integral; (36.2.8)

- canonical umbilic integral; (36.2.5)

- swallowtail canonical integral function; (36.2.10)

- swallowtail canonical integral function; §36.3(i)

- diffraction catastrophe; (36.2.10)

- elliptic umbilic canonical integral function; §36.3(ii)

- elliptic umbilic canonical integral function; (36.2.11)

- elliptic umbilic canonical integral function; §36.3(i)

- hyperbolic umbilic canonical integral function; §36.3(i)

- hyperbolic umbilic canonical integral function; §36.3(ii)

- hyperbolic umbilic canonical integral function; (36.2.11)

- umbilic canonical integral function; (36.2.11)

- notation used by Erdélyi et al. (1953a, §6.5); §13.1
(with
: Kummer confluent hypergeometric function) 
- confluent hypergeometric function of matrix argument (second kind); (35.6.2)

- confluent hypergeometric function of matrix argument (second kind); §35.1

- bilateral basic hypergeometric (or bilateral
-hypergeometric) function; (17.4.3) 
- bilateral basic hypergeometric (or bilateral
-hypergeometric) function; (17.4.3)

