| abs(x) | int or real | |x|, absolute value of x; same type | 
    | abs(x) | complex | length of x, √( Re(x)2 + Im(x)2 ) | 
    | acos(x) | any | cos-1 x (inverse cosine) | 
    | acosh(x) | any | cosh-1 x (inverse hyperbolic cosine) | 
    | airy(x) | real | Airy function Ai(x) for real x | 
    | arg(x) | complex | the phase of x | 
    | asin(x) | any | sin-1 x (inverse sin) | 
    | asinh(x) | any | sinh-1 x (inverse hyperbolic sin) | 
    | atan(x) | any | tan-1 x (inverse tangent) | 
    | atan2(y,x) | int or real | tan-1(y/x) (inverse tangent) | 
    | atanh(x) | any | tanh-1 x (inverse hyperbolic tangent) | 
    | besj0(x) | real | J0 Bessel function of x in radians | 
    | besj1(x) | real | J1 Bessel function of x in radians | 
    | besjn(n,x) | int,real | Jn Bessel function of x in radians | 
    | besy0(x) | real | Y0 Bessel function of x in radians | 
    | besy1(x) | real | Y1 Bessel function of x in radians | 
    | besyn(n,x) | int,real | Yn Bessel function of x in radians | 
    | besi0(x) | real | Modified Bessel function of order 0, x in radians | 
    | besi1(x) | real | Modified Bessel function of order 1, x in radians | 
    | besin(n,x) | int,real | Modified Bessel function of order n, x in radians | 
    | cbrt(x) | real | cube root of x, domain and range both real | 
    | ceil(x) | any | ⌈x⌉, smallest integer not less than x (real part) | 
    | conj(x) | complex | complex conjugate of x | 
    | cos(x) | radians | cos x, cosine of x | 
    | cosh(x) | any | cosh x, hyperbolic cosine of x in radians | 
    | EllipticK(k) | real k in (-1:1) | K(k) complete elliptic integral of the first kind | 
    | EllipticE(k) | real k in [-1:1] | E(k) complete elliptic integral of the second kind | 
    | EllipticPi(n,k) | real n<1, real k in (-1:1) | Π(n,k) complete elliptic integral of the third kind | 
    | erf(x) | any | erf(Re(x)), error function of real(x) | 
    | erfc(x) | any | erfc(Re(x)), 1.0 - error function of real(x) | 
    | exp(x) | any | ex, exponential function of x | 
    | expint(n,x) | any | En(x), exponential integral function of x | 
    | floor(x) | any | ⌊x⌋, largest integer not greater than x (real part) | 
    | gamma(x) | any | Γ(Re(x)), gamma function of real(x) | 
    | ibeta(p,q,x) | any | ibeta(Re(p,q,x)), ibeta function of real(p,q,x) | 
    | inverf(x) | any | inverse error function real(x) | 
    | igamma(a,z) | complex | igamma(a>0,z), igamma function of complex a>0,z | 
    | imag(x) | complex | Im(x), imaginary part of x as a real number | 
    | int(x) | real | integer part of x, truncated toward zero | 
    | invibeta(a,b,p) | 0<p<1 | inverse incomplete beta function | 
    | invigamma(a,p) | 0<p<1 | inverse incomplete gamma function | 
    | invnorm(x) | any | inverse normal distribution function real(x) | 
    | LambertW(z,k) | complex, int | kth branch of complex Lambert W function | 
    | lambertw(x) | real | principal branch (k=0) of Lambert W function | 
    | lgamma(x) | real | lgamma(Re(x)), lgamma function of real(x) | 
    | lnGamma(x) | complex | lnGamma(x) valid over entire complex plane | 
    | log(x) | any | ln x, natural logarithm (base e) of x | 
    | log10(x) | any | log10 x, logarithm (base 10) of x | 
    | norm(x) | any | norm(x), normal distribution function of real(x) | 
    | rand(x) | int | pseudo random number in the interval (0:1) | 
    | real(x) | any | Re(x), real part of x | 
    | sgn(x) | any | 1 if x > 0,  -1 if x < 0,  0 if x = 0. ℑ(x) ignored | 
    | Sign(x) | complex | 0 if x = 0, otherwise x/|x| | 
    | sin(x) | any | sin x, sine of x | 
    | sinh(x) | any | sinh x, hyperbolic sine of x in radians | 
    | sqrt(x) | any | √x, square root of x | 
    | SynchrotronF(x) | real | Synchtrotron function F | 
    | tan(x) | any | tan x, tangent of x | 
    | tanh(x) | any | tanh x, hyperbolic tangent of x in radians | 
    | uigamma(a,x) | real | uigamma(a,x), upper incomplete gamma function a>0,x | 
    | voigt(x,y) | real | convolution of Gaussian and Lorentzian | 
    | zeta(s) | any | Riemann zeta function |