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 Appendix C: Math Expression Up Appendix C: Math Expression Section C.2: Constants 

C.1 Functions

The following functions are currently supported.
sin(x) The sine function.
cos(x) The cosine function
tan(x) The tangent function
csc(x) The cosecans function
sec(x) The secans function
cot(x) The cotangent function
acos(x) The arccosine function
asin(x) The arcsine function
cosh(x) The hyperbolic cosine function
sinh(x) The hyperbolic sine function
tanh(x) The hyperbolic tangent function
ln(x) The natural logarithm
log(x) The logarithm with base 10
exp(x) The exponential function
sqrt(x) The square root function
abs(x) The absolute value function
sgn(x) The sign function
H(x) The Heaviside function (x = 0.5 at zero)
step(x) The right-continuous unit step function
J0(x) Bessel function of the first kind, order 0
J1(x) Bessel function of the first kind, order 1
Jn(x,n) Bessel function of the first kind, order n
Y0(x) Bessel function of the second kind, order 0
Y1(x) Bessel function of the second kind, order 1
Yn(x,n) Bessel function of the second kind, order n
sinc(x) The sinc function (i.e. sin(x)/x)
fac(n) The factorial of n
erf(x) The error function
erfc(x) The complementary error function (erfc(x) = 1 - erf(x))
tgamma(x) The Gamma function
atan2(x,y) The two-parameter arctangent function
pow(x,y) The y-th power of x
Tn(n,x) The Chebyshev polynomial of order n
binomial(n,m) The binomial of (n,m)
max(x1,...,xn) Returns the maximum value of the values listed
min(x1,...,xn) Returns the minimum value of the values listed
avg(x1,...,xn) Returns the average value of the values listed
 Appendix C: Math Expression Up Appendix C: Math Expression Section C.2: Constants