A Mathematical One!

EI(X)

SINH(1)+COSH(1)

2Π[(4N^2)/(4N^2-1)]

LI(X)

16ARCTAN(1/5)-4ARCTAN(1/239)

N/LOG(N)

Γ(N)

B(P;Q)

Σ(1/N!)

4(1-1/3+1/5-1/7+...)

LIM(1+1/N)^N

Π(X)

[3; 7; 15; 1; 292; 1; 1; ...]

R(N)

Ζ(S)

1+1/1(1+1/2(1+1/3(1+...)))