As a result, FreeCalc can be left running in the background with minimal interference to system performance. The Windows Classic Calculator is for those that never got the hang of the new Windows 10 calculator, or were too used to the old one.
The developers of this program have imported the Windows 7 calculator perfectly, complete with its familiar scientific and programmer modes, as well as its robust performance. To install the program, open the. If you have Google as your default search engine , then you can put the expression into the search bar at the top of the browser and have it automatically evaluated in the search result.
If you need to quickly plot a graph, Geogebra is the perfect lightweight program to see what a function looks like. You can also add sliders for variables as well as include lines, circles and distance measurements to help you visualize the 2D space.
All of these are quite helpful in visualizing more complex mathematical concepts. The app is free, fast and lightweight, and saves you from pulling out a physical graphing calculator. Step 3. In the shortcut field, but in your preferred key binds.
The One Plate button will calculate fabric required for just half the number of plates normally the bottom plates. That will make the most efficient use of cloth possible. If there is an obvious direction to the pattern, note whether it runs the length of the roll of cloth striped or across the width railroaded.
Use the appropriate button to make the pattern run from side to side across the cushion and up and down along the boxing. Note the pattern on the drawing at the top of the calculator page — that is the normal way patterns are oriented on these cushions. But this is not an absolute rule. You may break it if you like. Sail Awnings are often attached only at the three corners or perhaps one corner and an opposite edge.
Any "unattached" or "unsupported" length of fabric should be hollowed to prevent its dropping. Note that the calculator shows all three sides as straight lines. The sail awning calculator is useful for a very broad range of tasks. Any triangular shape such as the end wall of a tent or aft panel of an enclosure can be quickly broken down into a given number of panels of proper length and shape.
Tarpaulin are often attached only at the corners or perhaps at corners with a ridge pole. Note that the calculator shows all sides as straight lines. The hollow should be trimmed away from the finished assembly prior to hemming. The tarpaulin calculator is useful for a very broad range of tasks. Any rectangular shape such as the walls of a tent or enclosure can be quickly broken down into a given number of panels of proper length.
This shade will be lined. There will be one rib on the final segment. The edges will be finished with a double folded hem. We will build a shade to fit inside the frame of a window. That frame measures The first order of business in a project like this is to make good use of the fabric calculator. Hit the second tab below to pull up the calculator and enter width Scroll upward on the device to reveal the entire shade rendition. Several things should be noted. First, rings are indicated only on alternate segments.
Folds will be created between ring lines. They are formed by symmetrical segment pairs collapsing upon one another. Third, there is only one rib in a relaxed shade in the form of a weight bar.
It is placed at the top of the first permanent fold. It will be inserted in a tubular webbing sleeve that will be secured only at the sides of the shade. In addition to weighing down the bottom edge of the shade, this bar will draw the flair at the bottom of the shade in to the intended width and, thus, create the desired swag curve. Fourth, lining fabric is included in the list of materials but it is optional. We will be using a lining with this shade. Fifth, the equivalent of six extra segments is added to the length of the shade.
This extra material will become three permanent folds at the bottom of the shade. Cut the single Also cut lining fabric. It should be the width of the finished shade. In length it should match the length of the facing less 3 inches The flare will start 6 segment depths above the bottom of the shade. The width of the flair is governed by the percentage dropdown choice entered just to the right of the shade style selector.
That percentage is the depth of the swag relative to the width of the shade. Place the facing, the decorative fabric, face up. Spread the lining right side down over it. Sew the lining in place first along one edge with the two layers and the bottom flush. Then smooth the fabric layers together over to the other edge until they are flush and sew. Be careful not to skew the lining as it is attached. Center the lining over the facing fabric.
Iron the lining edges flat — that will crease the facing under the lining edges. Then fold the facing up over onto the back of the shade evenly on both sides and iron that nicely in place.
This hem can be sewn in place with carefully matched thread or a clear nylon. The shade width should now be as intended. Check it out. Sew across the bottom with a straight stitch.
If there were no lining, the bottom edge would be finished by folding it over against the back of the shade. Then turn the shade assembly right side out. Poke the corners our carefully. Sew 2 rings just 1 inch The first two will be right at the bottom of the shade. This can be done with a zigzag machine set at 0 stitch length or by hand with needle and thread. Use a thread similar in color to the shade fabric or a clear nylon and keep the length of the stitch on the face of the shade to a minimum in order to reduce its exposure.
The calculator indicates proper vertical spacing for these rings. Use the same vertical spacing for rings across the shade from the flair line all the way to the top as indicated in the rendition. I've just used the calculator for curtains but it just gives one request for pattern repeat measurement, my fabric repeat says 'v48cm h21cm' do I need both these amounts included? If you go to STEP 3 of one of our lined curtained curtain tutorials, it gives a full explaination of how you calculate for plain fabric and patterned fabric.
You need an adjusted cut drop with a pattern because you can't cut patterned fabric just anywhere and then expect the 2 panels to match up inline along side each other. Many thanks I worked everything out myself first, then used your calculator as my second-checker!
Thank you for your help! I think the discrepancy in my calc vs. I got 9. My answer was and the calculator gave I think the calculator is correct in the calculation, but what we have here is the fact that the cut drop is just going into the next pattern repeat so if you make the cut drop 1cm shorter you can save a lot of fabric.
You are doing what we would do but you are not making the same calculation as the calculator which is making the strict calculation it doesn't look at reducing allowances to save fabric. That is really for people who know how to make their own calculations and can make judgements to adjust allowances if there is a lot of fabric to be saved. It is a judgement you as the maker have to make though and is what you have done in your calculation.
So in summary the calculator is strictly right, but we would have done it the same way as you and gone for an ACD of cm instead of cm to save a lot of fabric. Note you can get caught out doing this sometimes when the actual pattern repeat when you measure it on the fabric comes out a bit longer than that given by the manufacturer.
Hi - is it possible the adjusted cut drop in this calculator is adding in one pattern repeat? Is that accurate or is the one pattern repeat added into the fabric qty calc? The adjusted cut drop is a whole number of pattern repeats so will always be longer than the cut drop or on rare occasions the same. The calculator gives you the option to add one pattern repeat to the total NOT one pattern repeat per drop to position the pattern on the curtains. What figures are you putting in to think it is adding an extra pattern repeat.
I am making curtains for a friend, who had already bought her fabric and lining. I used the calculator to work out the cut length I need for the patterned fabric but one thing I realised is that your calculator appears to assume the lining is the same width as the fabric. In my case the fabric is cm but the lining is only cm. Yes note 8 on the calculator assumptions tells you it assumes the lining and fabric are similar widths.
The standard width of fabric is usually to cm. Whether you decide to cut the fabric down to the lining or add more lining will depend on how that will affect your fullness ratio, which will make it nearer the ideal and nearer your ideal pleat size and spacing.
Tutorials Prices Blog Your Makes. The length of the curtain once made finished The length if you measure from the top of the curtain to the bottom when it is hanging. Fabric width is the width fabric is supplied on the roll. The length of fabric before the pattern repeats itself.
Type of Curtains: Lined Interlined. Number of Curtains: Pair Single. For a pencil pleat heading put in a value of 0cm as the making method is different. You will need half a width approx 65cm less buckram or heading tape if you go for this option. The allowance included in the cut drop to trim each fabric drop when making. The allowance included in the cut drop to trim each lining drop when making.
The allowance included in the cut drop to trim each interlining drop when making. Enter the width of your fabric. Select your curtain heading type, either pencil pleat, double pinch pleat, triple pleat, goblet pleat or cartridge pleat.
Enter the depth of your buckram enter 0 for pencil pleat heading as you will be using tape Enter a desired fullness ratio see info button for recommendations and our tutorials STEP 3 for more info Decide whether you want to round down the number of widths see info button and see calculator assumptions note 3 - calculator automatically rounds up if not selected If you have a patterned fabric decide if you want to inclue an extra pattern repeat to position the pattern on the curtain see info button for more details and what to do with half drop pattern repeats Press Calculate Note if you change any entries press calculate again to re-calculate.
Calculator Assumptions Curtains 1. Curtains over 1. Calculator defaults to rounding the number of fabric widths UP to the nearest whole number. If the resultant Actual fullness ratio is too high select the option to round DOWN to the nearest whole number and re-calculate. Then check if this lower Actual fullness ratio is more suitable.
The calculator currently does not add ease and overlap, you will need to add this into your pole length figure. NOTE: Our goal is to make the Fabric Calculator as accurate and helpful as possible, but please double-check all results thoroughly. Making your own curtains? Find full FREE written instructions and your questions answered here in our online tutorials. I am doing wave curtains for myself I just want to confirm if I got my calculations right for example Window width :3 m Height SewHelpful: The calculator doesn't calculate for wave headings.
SewHelpful: You join half drop pattern repeat using the full width of the fabric, but it does require a different calculation and method of cutting the drops so they match.
Hi, Which is the best tutorial to follow if I'm making wave headed curtains? SewHelpful: Hi Amanda We have not made a wave tutorial as yet. Sabina B. Attached is a picture of my measurements. Thank you in advance and look forward to hearing from you! SewHelpful: Hi Sabina You need to work out your fabric cut drop, how many widths you are using and know the full pattern repeat measurement.
SewHelpful: Looking at your figures you have rounded down the number of widths. Thanks in advance. SewHelpful: Hi Sarah Good question but it really depends on what look you are trying to achieve, and the amount of work you want to put in.
Thanks for any suggestions. SewHelpful: The fullness of a curtain is generally decided by the heading type. Caroline Parkinson. SewHelpful: Hi Caroline So with a curtain pole width of cm, a 2. So you have a couple of options… - Chop down you widths so that you have the correct fullness ratio….. John Duckworth. SewHelpful: Assuming it is a standard pattern repeat fabric and not a half drop pattern repeat.
You will need one extra pattern repeat to position the pattern for the first pair of curtains. Do you have calculator for inches instead of centimeters? SewHelpful: I'm sorry the calculator only does cm at the moment. SewHelpful: it is not a 2 to 5 it is 2. SewHelpful: Thanks for the feedback the page was initially designed for desktop and the info pops up when you hover over it. Hi team I need your assistance to calculate how much material I need to buy for 60 rooms 2 curtains per room The material is 2.
The window sizes are 26 rooms 3x4. SewHelpful: Hi Marry I'm afraid we don't make calculations for people. HI, so from step 3 in double pleat instructions, I'm taking pole length x fullness ratio 1. If i use rounding up, it goes to 5 widths which would be fullness ratio of over 2.
SewHelpful: We would use 5 widths. Pole Length is cm, I'd like double pinch pleat too. The fabric is quite expensive, but I'm wondering if the 4 width will look too skimpy? Thanks for any help Rachel. SewHelpful: What figures are you using that give the 2 results? SewHelpful: It means "Not a Number".
Hi, Thank you very much Cindy for that advise. Kind regards Sharon. Hello, Could you tell me please if i've got the calculations correct?
Would you have to allow extra fabric for bobble trim to be sewn into the leading edge? Would appreciate your advice. SewHelpful: Hi Sharon Your question is a really interesting one as you are right on the cusp of the 5th width. Having a quick look at your measurements, here are the options… - To add in a trim, I create a 2 cm inverted fold along the leading edge, tack the trim in place, tack the inverted fold closed around the trim and then machine stitch in place making sure you have your 5cm side fold extending beyond the trim.
This now gives you a pleated width of cm and leaving you cm to pleat - just under the 2 x fullness - Taking returns and overlap of 7cm each side of curtain panel, you would end up with 12 pleats of Kind regards Cindy.
SewHelpful: Of course that can happen. SewHelpful: Sheers need a bit more fabric for the sides as we make them with a double fold at the side. SewHelpful: The calculator is based on the making methods and calculations in the tutorials on the website. SewHelpful: It's the vertical pattern repeat that you need when calculating the fabric quantity. Anne Thomas. Can you explain fabric cut drop v fabric adjusted So do I cut it at the adjusted? The pattern repeat is 24 cm so am I adding 24 cm to length plus hem plus header allowance Thanks Love the site it's really helping my confidence!!
SewHelpful: If you go to STEP 3 of one of our lined curtained curtain tutorials, it gives a full explaination of how you calculate for plain fabric and patterned fabric. We got exactly the same results, so very reassuring, Kind regards, Mel. Steph Kyles. Extremely helpful calculator, easy to use and understand, saved on my browser for quick use.
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