Mathematical Constants

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mXparser - built-in Mathematical Constants

Key word Category Description Example Since
pi Constant Value Pi, Archimedes' constant or Ludolph's number 2*pi 1.0
e Constant Value Napier's constant, or Euler's number, base of Natural logarithm e*3 1.0
[gam] Constant Value Euler-Mascheroni constant 2*[gam] 1.0
[phi] Constant Value Golden ratio [phi]*3 1.0
[PN] Constant Value Plastic constant 2*[PN] 1.0
[B*] Constant Value Embree-Trefethen constant [B*]*3 1.0
[F'd] Constant Value Feigenbaum constant alfa 2*[F'd] 1.0
[F'a] Constant Value Feigenbaum constant delta [F'a]*3 1.0
[C2] Constant Value Twin prime constant 2*[C2] 1.0
[M1] Constant Value Meissel-Mertens constant [M1]*3 1.0
[B2] Constant Value Brun's constant for twin primes 2*[B2] 1.0
[B4] Constant Value Brun's constant for prime quadruplets [B4]*3 1.0
[BN'L] Constant Value De Bruijn-Newman constant 2*[BN'L] 1.0
[Kat] Constant Value Catalan's constant [Kat]*3 1.0
[K*] Constant Value Landau-Ramanujan constant 2*[K*] 1.0
[K.] Constant Value Viswanath's constant [K.]*3 1.0
[B'L] Constant Value Legendre's constant 2*[B'L] 1.0
[RS'm] Constant Value Ramanujan-Soldner constant [RS'm]*3 1.0
[EB'e] Constant Value Erdos-Borwein constant 2*[EB'e] 1.0
[Bern] Constant Value Bernstein's constant [Bern]*3 1.0
[GKW'l] Constant Value Gauss-Kuzmin-Wirsing constant 2*[GKW'l] 1.0
[HSM's] Constant Value Hafner-Sarnak-McCurley constant [HSM's]*3 1.0
[lm] Constant Value Golomb-Dickman constant 2*[lm] 1.0
[Cah] Constant Value Cahen's constant [Cah]*3 1.0
[Ll] Constant Value Laplace limit 2*[Ll] 1.0
[AG] Constant Value Alladi-Grinstead constant [AG]*3 1.0
[L*] Constant Value Lengyel's constant 2*[L*] 1.0
[L.] Constant Value Levy's constant [L.]*3 1.0
[Dz3] Constant Value Apery's constant 2*[Dz3] 1.0
[A3n] Constant Value Mills' constant [A3n]*3 1.0
[Bh] Constant Value Backhouse's constant 2*[Bh] 1.0
[Pt] Constant Value Porter's constant [Pt]*3 1.0
[L2] Constant Value Lieb's square ice constant 2*[L2] 1.0
[Nv] Constant Value Niven's constant [Nv]*3 1.0
[Ks] Constant Value Sierpinski's constant 2*[Ks] 1.0
[Kh] Constant Value Khinchin's constant [Kh]*3 1.0
[FR] Constant Value Fransen-Robinson constant 2*[FR] 1.0
[La] Constant Value Landau's constant [La]*3 1.0
[P2] Constant Value Parabolic constant 2*[P2] 1.0
[Om] Constant Value Omega constant [Om]*3 1.0
[MRB] Constant Value MRB constant 2*[MRB] 1.0
[li2] Constant Value li(2) - logarithmic integral function at x=2 [li2]*3 2.3
[EG] Constant Value Gompertz constant 2*[EG] 2.3

as of 2017-04-05

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Enjoy 🙂

Best regards,

Mariusz Gromada

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