Standard functions list
=======================

  General functions f(x)

    Exp       Exponential
    Sqr       Square
    Sqrt      Square root
    Fact      Factorial

    Ln,Log    Natural logarithm (base e)
    Lg,Log10  Decimal logarithm (base 10)
    Log2      Binary logarithm (base 2)
    Log(a,x)  Logarithm base a

    Abs       Absolute value
    Sign      Sign (-1,0,+1)

    Int       Integer part
    Frac      Fractional part

    Round     Nearest integer
    Ceil      Smallest integer >= x
    Floor     Largest integer <= x


  Trigonometric and hyperbolic functions

    Sin       Sine                      ASin   Arc-sine
    Cos       Cosine                    ACos   Arc-cosine
    Tan,Tg    Tangent                   ATan   Arc-tangent
    Cot,Ctg   Cotangent                 ACot   Arc-cotangent
    Sec       Secant = 1/Cos            ASec   Arc-secant
    Csc       Cosecant = 1/Sin          ACsc   Arc-cosecant

    SinH,Sh   Hyperbolic sine           ASinH  Hyperbolic arc-sine
    CosH,Ch   Hyperbolic cosine         ACosH  Hyperbolic arc-cosine
    TanH,Th   Hyperbolic tangent        ATanH  Hyperbolic arc-tangent
    CotH,Cth  Hyperbolic cotangent      ACotH  Hyperbolic arc-cotangent
    SecH      Hyperbolic secant         ASecH  Hyperbolic arc-secant
    CscH      Hyperbolic cosecant       ACscH  Hyperbolic arc-cosecant


  Angle conversion functions

    Deg       Convert radians to degrees
    Rad       Convert degrees to radians

    NDeg      Normalize degrees: 0 <= result < 360
    NRad      Normalize radians: 0 <= result < 2*pi


  Statistical functions f(x1,...,xN)

    Min       Minimal value
    Max       Maximal value

    Sum       Sum                       = x1 + ... + xN
    SumSq     Sum of squares            = x1**2 + ... + xN**2
    Prod,Mul  Product                   = x1 * ... * xN

    Avg       Arithmetic mean           = Sum / N
    GAvg      Geometric mean            = Prod ** (1/N)
    HAvg      Harmonic mean             = N / (1/x1 + ... + 1/xN)
    QAvg,RMS  Quadratic mean
              (root mean square)        = Sqrt( SumSq / N )
    Norm      Euclidean norm            = Sqrt( SumSq )

    VarT      Total variance            = (x1-Avg)**2 + ... + (xN-Avg)**2
    VarP,Var  Population variance       = VarT / N
    VarS      Sample variance           = VarT / (N-1)

    Std       Standard deviation        = Sqrt( VarS )
    StdP      Population std. deviation = Sqrt( VarP )


  Miscellaneous list functions f(x1,x2,...)

    GCD       Greatest common divisor
    LCM       Least common multiple

    Poly      Uniform polynomial:
              Poly(x,a0,a1,a2,...) = a0 + a1*x + a2*(x**2) + ...
