In the Tools menu, under Helpers, you find the Corner Fillet or Chamfer tool.

 

 

This tool is made to make it easy for you to calculate chamfers and fillets at corners. You could draw the contour in SimCam and have it calculate the chamfers or fillets for you, but when programming manually, sometimes you just want help to calculating a thing or two without having to draw anything.

 

See the following two tutorials for how to use this tool: