icon from 'Entity' toolbar. Then select centre and then keeping mouse pointer away,
click for radius and you will get circle This is explain in figure below. In PLUS RepliCAM Circle can be drawn three ways, they are as follows.
Circle Centre-Radius: In this to draw a circle you will need a centre point and radius. To select this choose 'Insert
Menu > Circle Centre Radius' or select
icon from 'Entity' toolbar. Then select centre and then keeping mouse pointer away,
click for radius and you will get circle This is explain in figure below.
Select 'Circle Centre- Radius' tool from Insert menu or from Entity toolbar.
Mark centre point (P1) shown in fig.
Then Move the mouse pointer for desired radius and mark it.
You will get a circle with centre point P1 and radius equal to length (P1P2)
Circle 3 Points : In this case, while drawing circle you have give three points ie mark any where three points and you will get a
circle passing through these points. To use this option select ' Insert Menu > Circle 3 Points' or select 
icon from 'Entity' toolbar. It's useful for drawing circle included template (Like
drilled hole and etc).For that mark three points on its edge as shown in
figure and you will get circle with radius relative to that included circle in
template.
Steps :
Select 'Circle 3 Point' tool from Insert menu or from Entity toolbar.
Mark 1st point (P1) s shown in fig.
Mark the 2nd point ( P2). Then a circle will be creted.
To decide its size mark the 3rd point (P3).
You will get a circle with passing though these 3 points.
Circle N Points : This also a good method to draw a circle included in template. Like three point circle mark more
points on edge of include circle, and you will get a circle with more accurate
radius. To select this option choose 'Insert Menu > Circle N Points' or select 
icon from 'Entity' toolbar. It's more useful for drawing circle included template
and give better result. (Like
drilled hole and etc).
This is same as drawing a Line with N point. Do all procedure same.
Steps:
Select 'Circle N Pointstool from Insert menu or from Entity toolbar.
Mark the first point.
After Marking 1st point, start no. of point to marks with reference to that you want to draw circles. Marking Pn point press right button of mouse to end that and you will get desired line.