Constants
{
FROM = _from //Internal constant;
TO = _to //Internal constant;
STEP = _step //Internal constant;
COLWIDTH = _colwidth //Internal constant;
DETTOLERANCE = _dettolerance //Internal constant;
}

Function variable
{
x
}

User definitions
{
f(x)~Sin(x),
Fact(n)~if(eq(n,0),1,n*Fact(n-1)),
y=complex(1/3,pi)
}

Mathematical expression
{
sin(y)
}
