# Free Tutorial: Quick Calculator

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AutoCAD has a tool called QuickCalc, it's a calculator tool. The best part about it is that you can get some information from your drawing file and put it directly into the QuickCalc palette, which is really hard to say. You can also do the opposite, meaning that you can get information from your QuickCalc tool, the calculator, and apply it transparently into your commands. If you press Control and 8, that will open up the QuickCalc palette. Again, It's difficult to say. Now the QuickCalc is a palette. It works just like any other palette in AutoCAD. You can move it around, you can dock it. You can hide it, you can collapse it. You can minimize it, you can change its transparency settings. You can do a lot of different things to it. You can do whatever it is that you need to do to it, at least within the parameters of a palette. It has a regular keypad, you know 1, 2, 3. You can use your number pad on your keyboard if you have one and type it in and it will enter in everything here. You can even type in on your number keys. But make sure you press in here first inside this number field. Otherwise, you're just going to enter things in on your Command line. So all of your regular operators work-- plus, minus, multiply, divide. And when you can do your math, it will give you your answer. It will put it on the right column here on the screen, your formula is here on the left. Your answer is also right here. Now you can select everything, right-click and copy it, and then paste it right into whatever it is you're working on. You can even use some of the other commands. This is called the History area. And right here is just your Formula area. You have your number pad. And if you click on the arrows here, you can collapse them or expand them. This gives you more commands or tools into your calculator. These are your scientific sine, cosine, other logarithmic functionalities. You can convert some units right here. You can change it if it's length, area, volume, or an angle. So let's say you're working with an area and it's in square meters and you want it to be in square inches-- well, you probably want square feet. So you type in your units right here. Let's just say 1,000 square meters. Press Enter, and here's your converted value in square feet. Now that's really handy, and it's a tool that you can use. And then, of course, if you press this little button here on the right it puts it right up here inside your calculator. So now once you've converted it, you have it available to you. You can copy it, paste it. Put it into a text field, or in a title block, or some kind of notes. Or you can use it to do some math, which is really cool. There are a few tricks that you can use here to get your information in and out of the calculator. You have different tools up here across the top. This is the Clear. Now that's kind of obvious, it clears it out. This button right here will clear your history, simple enough. Now here is to paste a value to your Command line. Most of these are very obvious, so if I have a number here, whatever it may be, I can click right here and you see it instantly put it right into my Command line, which is really cool. So if I'm trying to calculate some sort of line length that I need, and I need it to be something. Let's just say it's this number divided by 78. Press Enter, there's my number, I figured it out. Boom, it's in my Command line. And there we go, I drew my line at the length that I needed it to be. Pretty handy. Now, I can also do the opposite, especially through the Properties palette. We drag these over side by side so you can see them. Now let's say I select this line, and I have a value here. If I select inside the field in the Properties palette there's a little calculator icon. If I click it, it will bring up a QuickCalc palette and put that field information right in there. And now I can work with it. And you can use this to get length, area, angles-- anything that you would want to work with and calculate the values with. This right here will give you coordinates. Hit the button, find a point-- say, the endpoint of this line-- and there you go, you have your coordinates that you can work with. So if you're trying to find deltas-- you know, change in x, change in y, or anything like that-- you can do that. This here will help you to get distances between two points. So if I pick it, now I find a point here, and let's just say an arbitrary point down here. It gave me the distance right there, and put it inside my calculator. So that's another very handy tool that you can use. This here will do the same sort of thing, and will be an angle. With the angle here I need to hit a point, and then wherever I make another point at. So up here this will give me an angle of about 45 degrees. Remember, AutoCAD measures the angle starting with a horizontal line on the right, and then goes counter-clockwise in a circular angle. So if I start here and move up, this is about 45 degrees, then a 90 degree, et cetera. So if I look at it this way, this is a horizontal line. And here's another line. And when I measure my angle, I need a start point, and AutoCAD sees this as the start point. Whatever line I pick, that is the vertices, or the vertex of this angle. And then when I pick my line up here, that's the angle. Now if I would have cleared it out first, you would see that was 51.38. When you pick the two points for your angle measurement, it's like you're making this end-point, and this end-point. That creates the line, and the angle is measured down to the horizontal line here. Now this bit here will give you the intersection of two lines, again, defined by four points. So I pick one point, two, three, and four and it gives you your coordinates. So that's a little bit hard to visualize and hard to see, and I'll be quite honest, I don't use it very often. And that's one issue that you might have with the QuickCalc, especially when measuring the two point. Even though two points aren't that big of a deal, but measuring the angle and measuring that intersection, because it has no visual aid to see it. So be careful and pay attention to what you're doing. But otherwise the calculator can get stuff in and out of different commands, different properties, and you can copy and paste things very easily. So if you're doing some math, you can copy it and then paste it into a spreadsheet, or a Word document file, or an email to a client. But you'll always have a calculator here handy where you can get to and use it if you need to while working in AutoCAD.