tan(angle)

Returns tangent of an angle.

asin(angle)

Returns arcsine (in degrees).

acos(x)

Returns arccosine (in degrees).

atan(x)

Returns arctangent (in degrees).

sqrt(float)

Returns square root of a float.

pi

Returns approximation of PI.

angle(point1,point2,point3)

Returns angle in degrees in a triangle formed by the mentioned three points, the second point being the angular point. The returned angle is always a positive value.

bisect(point1,point2,point3)

Returns internal bisection angle in degrees in a triangle formed by the mentioned three points, the second point being the angular point. The returned angle is always a positive value.

abs(float)

Returns absolute value of a float (always positive)

mark (point,angle,type,length,width)

Places a mark at the given point at the given angle. You can choose type of the mark and its length and width, or use text as mark and mention its size.