Standard mathematical functions

The following mathematical functions are implemented:

<SIN(x)> – sine of angle x (degrees).
<COS(x)> – cosine of angle x (degrees).
<TAN(x)> – tangent of angle x (degrees).
<ATN(x)> – arctangent of x, returns in degrees.
<ASIN(x)> – arcsine of x, returns in degrees.
<ACOS(x)> – arccosine of x, returns in degrees.
<SQR(x)> – square root of x.
<ABS(x)> – modulus of x.
<SGN(x)> – sign of x. Returns "-1", if x is less than zero; returns "+1", if x is more than zero; returns "0", if x is zero.
<ROUND(x, y)> – returns the rounded value x with y decimals.
<LOG(x, y)> – returns the logarithm of y to base x.
<LG(x)> – returns the common logarithm of x.
<LN(x)> – returns the natural logarithm of х.

Here the <x> and <y> are the arguments of a function. They can be a numeric literal constant, variable, function or any expression that results in numeric value.