Unary Operators.

The following functions are available and may be used in any expression.

SIN
Sine of the argument in radians.
COS
Cosine of the argument in radians.
TAN
Tangent of the argument in radians.
EXP
e raised to the power of the argument.
LOG
Logarithm of the argument to the base e.
SQRT
The square-root of the argument.
ATN
The arc-tangent of the argument.
ABS
The absolute value of the argument.
INT
The argument rounded to the nearest integer.

The argument of the operator must always be place in brackets, i.e. SIN(x).