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  Operations -> Equation Set:

  % Constants: (over-ridden by columns with same name)
        pi           : 3.14159265 ...
        kb           : Boltzmann constant (J/K)
        kbev         : Boltzmann constant (ev/K)
        e0           : permittivity of free space (F/cm)
        qe           : electron charge (C)
        tabs         : T(0C) (K)

  % Equation Set Unary Operations:
        -            : z = -x             :
        sign         : z = sign(x)        : x > 0 ? 1 : -1
        reciprocal   : z = reciprocal(x)  : 1/x
        sqrt         : z = sqrt(x)        :
        square       : z = square(x)      : x^2
        abs          : z = abs(x)         :
        sin          : z = sin(x)         :
        cos          : z = cos(x)         :
        tan          : z = tan(x)         :
        asin         : z = asin(x)        :
        acos         : z = acos(x)        :
        atan         : z = atan(x)        :
        exp          : z = exp(x)         :
        expm1        : z = expm1(x)       : exp(x) - 1
        exp2         : z = exp2(x)        : 2^x
        log          : z = log(x)         :
        log10        : z = log10(x)       :
        log2         : z = log2(x)        :
        log1p        : z = log1p(x)       : ln(x+1)
        sinh         : z = sinh(x)        :
        cosh         : z = cosh(x)        :
        tanh         : z = tanh(x)        :
        asinh        : z = asinh(x)       :
        acosh        : z = acosh(x)       :
        atanh        : z = atanh(x)       :
        degrees      : z = degrees(x)     : convert radians to degrees
        radians      : z = radians(x)     : convert degrees to radians
        deg2rad      : z = deg2rad(x)     : convert degrees to radians
        rad2deg      : z = rad2deg(x)     : convert radians to degrees
        rint         : z = rint(x)        : round to nearest integer
        fix          : z = fix(x)         : round to nearest integer towards 0
        floor        : z = floor(x)       : round to nearest integer below
        ceil         : z = ceil(x)        : round to nearest integer above
        trunc        : z = trunc(x)       : truncate
        del          : z = del(x)         : difference between successive values
        not          : z = not(x)         : logical not 
        !            : z = !x             : logical not
  % Equation Set Binary Operations:
        +            : z = x + y          :
        -            : z = x - y          :
        *            : z = x * y          :
        /            : z = x / y          :
        ^            : z = x ^ y          :
        true_divide  : z = true_divide(y, x)   :
        floor_divide : z = floor_divide(y, x)  :
        fmod         : z = fmod(y, x)     : remainder of division
        mod          : z = mod(y, x)      : remainder of division
        rem          : z = rem(y, x)      : remainder of division
        hypot        : z = hypot(y, x)    :
        atan2        : z = atan2(y, x)    :
        max          : z = max(x, y)      :
        min          : z = min(x, y)      :
        integ        : z = integ(y, x)    : integration
        dY/dX        : z = dY/dX(y, x)    : derivative
        ==           : z = x == y         :
        !=           : z = x != y         :
        <=           : z = x <= y         :
        >=           : z = x >= y         :
        <            : z = x < y          :
        >            : z = x > y          :
        &&           : z = x && y         : logical and
        ||           : z = x || y         : logical or
        and          : z = and(x, y)      : logical and
        or           : z = or(x, y)       : logical or
        xor          : z = xor(x, y)      : logical xor
