Using the AutoCAD calculator to your advantage

- [Instructor] So here we are again…in the world of AutoCAD…with another AutoCAD tip and trick.…We've got a new drawing open,…which is 13_UsingCALCULATOR.dwg.…You can download that from your exercise files,…quite happily, and use it to follow along…with the video, if you wish.…Now what we're going to do in this drawing…is use the Calculator, surprise, surprise…or QuckCalc as it's known in AutoCAD.…In the drawing itself, we have this circle here,…which is a filter disc,…and we've got holes cut out in the filter disc…to allow things to filter through.…

What we want to know is the percentage…of material that is cut from the main disc,…this one, by the holes, the smaller circles.…And we can do that very easily.…So what we're going to do is…we're going to select the outer circle, like so,…right click and go to Properties,…and there's the area there of the circle…in the Properties panel.…If I click on it, I get a little calculator sysmbol.…Click there, up comes the QuickCalc, like so.…Now that's the value that I want to save to the memory,…