This video demonstrates how to solve a linear function with rational coefficients by multiplying by the reciprocal of the coefficient. The reciprocal is just a fancy way of saying the numerator and denominator are swapped. Two sample problems are solved using this method. Multiplying each side of the equation by the reciprocal of the rational coefficient of the variable 'x' is an allowed operation, but only because both sides are multiplies by the the same amount. The teacher then demonstrate...
New to Excel? Looking for a tip? How about a tip so mind-blowingly advanced as to qualify as a magic trick? You're in luck.
When you are solving inequality for a rational function you don't do it the same way as you would solve an equality. Now the instructor shows how to solve an inequality with the help of an example. Now to solve an inequality which is in the form a/b first take the numerator and denominator as separate equations of two lines. Now graph the two lines on coordinate axes. Using the graphs of the lines plot the intercepts of the equations on the number line noting down the sings. Now you can compa...
If you want to manage what sort of data is entered into your Excel spreadsheet, data validation will help you to accomplish just that. In this Excel tutorial from ExcelIsFun, the 549th installment in their series of Excel magic tricks, you'll learn how to use data validation to full effect in your Microsoft Office projects.
If you're a teacher in any type of school, whether it's high school, college, or middle school, it's imperative that you keep an attendance sheet. The paper and pen route can get pretty messy, and very disorganized, and that's where Microsoft Excel comes in. With this software, you can create a simple yet functional attendance sheet to keep track of your students.
This video describes how to improve your singing technique which is useful for singers, orators and anyone who would like a better sounding voice. In this video one will learn that there are six muscles involved in singing and that there are exercises to improve their function which in turn improves one's singing voice. For example in the first exercise one learns the importance of the cheek muscles and how they can hamper one's voice if they are not moving correctly. Overall this video is in...
Make your embroideries more accurate and beautiful by designing the letters and words on a computer software called Compucon EOS 3.
This video shows you how to permanently delete items in your computers trash can. He states that the easiest way to delete all of the files you in trash can is just plainly hit the delete button. Apple also has a built in function in the trash can that allows you to protect certain files in your recycle bin. he gives the code sudo r - R to block the recycling bin from automatically deleting all files in your recycling bin.
iTunes offers the ability to extract and copy data with its rip and burn functions. Ripping lets you import songs into your iTunes library from a variety of sources. Burning lets you write audio files on to a CD. Once you customize the audio file playlist that you wish to have on CD, simply initiate the program's burn function, and you'll have a music CD in no time.
Have you run out of ideas to decorate your Christmas tree? Well, here is a fantastic video on how to make big ribbon bows. The video shows how to make bow ribbons in a single color and in a double color. It is quite interesting to see a strip of ribbon change into a wonderful bow. This can be used to decorate homes for Christmas, birthday party or any festive function. Attach one onto a gift packet and see the reaction on the faces of the recipient. This sure is one easy and simple idea to tr...
Maybe you learn best by seeing things worked out in front of you and what you just saw in class today about Electronic action potential of neurons didn't quite sink in. Not to mention the test that you have coming up this week is going to be an in-depth analysis of your knowledge on this material. Let Khanacademy be your guide! For less than half the time it takes to sit through the Professors class, he explains the function of Neurons, how action potential works and sends you on your way to ...
This video shows you how to get the quadratic equation for the quadratic function with roots; (5,0), (12,0) which passes through the point(8,6). It shows a man solving this problem using a black board and chalk to clearly demonstrate the method of plugging in the respective coordinates to arrive at an answer. After watching this video, any person over the age of twelve will know how to use quadratic functions to derive quadratic equations and solve mathematical problems with this particular m...
In this video from Intown Bicycles, demonstrates how to easily remove and to reinstall a rear bicycle wheel from a bicycle equipped with a quick release axle. There are three different common types of bicycle braking systems, and you will learn first how to disengage each of them, so that the wheel will drop out easily. Also, you will be shown how to operate the quick release system, and remove the wheel. Once you've completed this step, you are shown how to reinstall the wheel, engage the br...
This video shows how to use a special tool to redact or remove sensitive information from Adobe Acrobat 9. This includes hidden metadata, file attachments, comments, hidden text and layer elements within a PDF file. You can also set it up when you're emailing. The Examine Document function highlights information that you may want to remove. You can then select the different types of data and choose which things you want to remove.
A conservative vector field is defined as being the gradient of a function, or as a scaler potential. Conservative vector fields are not dependent on the path; they are path independent. Conversely, the path independence of the vector field is measured by how conservative it is. These fields are also characterized as being ir-rotational, which means they have vanishing curls. Actually, ir-rotational vector fields are conservative as long as a certain condition on the geometry of the domain is...
It is quite simple to upload a 1080p HD video on YouTube. Using the Camtasia Studio software, you convert the video to the 1080p HD format. While the video is being converted, you can create your YouTube account or log in, since you need an account to upload videos. Then after the video is completed you upload to YouTube, by logging in and clicking on "Upload Video". When uploaded you enable the HD function to the video. And don´t forget the keywords, or your video will be uploaded but won´t ...
The padlock knot is designed to look like a padlock, but without the actual function of one. In order to tie this knot take your rope or string and fold it in half. After you have done that make a loop with both sides of the rope making sure you leave a loop at the top. Put the two loops together the one in the front turning clockwise and the one in the back counter-clockwise. Make sure to leave a hole in the center for the rope to pass through. Now wind each piece of rope through the hole in...
Bucky from The New Boston serves up this Python video tutorial on how to program parameters in Python. This is the program you use to write all of your Python code down. Different parameter types in the same function!
Going to be a nurse? Then one important part of your nursing responsibilities involves doing a daily check of the code blue cart or crash cart. The crash cart is checked every shift for emergency items and function. In this how-to video we review the nurse’s responsibility to test the defibrillator oxygen tank, most hospitals change tanks at 500 or 1000 psi. Follow along an see how simple it is to do a daily check of the code blue cart.
Want to mix and scratch like a professional DJ? To be a good DJ you need to understand the concepts of mixing tracks, adding cool effects, and of course you need a good sense of rhythm to line up the beats. This how to video explains how to mix different genres of music for the mobile DJ. A mobile DJ doing a wedding function will generally not do much beat mixing, but the DJ will try to mix the sounds of each song so they work well together. Watch this DJ tutorial and you can learn about mixi...
Some babies like to be carried on the hip, but arms can tire quickly, and most carriers function either to the front or back. This how-to video demonstrates the process of tying a hip cross carry out of a long baby wrap. Find the middle marker. Place the wrap behind you. Make one side of your cross the short side. Bring the longer side under the short side then around your back making a cross on your hip. The longer side is the tail. Make a slip knot around the tail on your shoulder. Grab you...
Electrolytes are solutions containing ions usually found in sports drinks that help maintain proper hydration during extreme physical activity. A balance of electrolytes is important for the normal functioning of the cells and organs of our body. The most popular electrolytes are sodium, potassium, chloride and bicarbonate. Try these tips for buying foods rich in electrolytes in this nutrition how-to video.
The meniscus is one of the most frequently injured parts of the knee. Rehabbing a torn meniscus must be done with care and proper direction. Receive tips for treatment of a torn meniscus in this how-to video on health and rehab.
While we personally like to learn a new software program by playing around with its buttons and various functions, sometimes it's a nice primer to actually read the instruction manual. And when it comes to video editing, knowing the particularities of each and every function is crucial to producing professional-quality results.
We next discuss trimming regular hedges. Most people just want a hedge that's tidy and neat, one that performs a function of blocking a view. We discuss some newly planted Boxwoods. Glenn planted these several months ago and wants to keep these low growing, about the height of the wall behind them. When the new growth starts to come up and the plant has reached its desired height, he prunes them. Glenn leaves an open space between the plant and the wall, this allows for good air circulation, ...
Stone patios offer you that perfect balance of beauty and function. They're super sturdy, strong, and can take quite the beating from rain, snow, and everyday wear and tear without getting marred. So if you're considering installing a stone patio in your front yard, save some money by doing it yourself.
The "pinch and scroll" function on your iPhone is a great feature. Pinching allows you to zoom into specific areas on your phone, and scrolling, obviously, let's you scroll. So how's it go? Best Buy has answers. The Best Buy Mobile team explains how simple it is to pinch and scroll on your Apple iPhone.
You don't have to browse your entire contacts to find the one you're looking for anymore. There's a shorter way to find the contact of your choice on the iPhone. It's a nice little shortcut you can use when you know exactly who you're calling. So how? With the Search function. Best Buy has answers. The Best Buy Mobile team explains how simple it is to find contacts via a shortcut on your Apple iPhone.
Zooming is a great function on the iPhone, if you like that sort of thing. If you don't like the ease of zoom, or maybe you're zooming when you really don't intend to, there's a way to stop it. You don't need the zoom. So how to you get rid of the zoom feature? With 3 little fingers! Best Buy has answers. The Best Buy Mobile team explains how simple it is to disable the zoom feature on your Apple iPhone.
This video is a tutorial on using the Conditional Formatting function of Excel to automatically color alternating rows, which helps your eye to follow across the row. This can be done manually with the “Fill Color” button, but if you add or delete rows after applying the shading, the whole purpose is defeated.
Today we are going to learn how to sort data in a Microsoft Excel 2003 spread sheet. We will go over single column and multiple column sorting. In a single column sort you may high light the data or just click on any cell in the column. Once the data is selected look for the sort icons just under the menu bars. There is a sort ascending and sort descending icon. Click on the icon and Excel will sort the list. When sorting multiple columns the data must be in columns next to each other. If the...
This video describes basics about using Wubi installer for Ubuntu in Windows operating system.Wubi installer is usually used for Ubuntu family distribution installations.You can download Wubi installer from the Internet and then it will install all desired distribution automatically or you can run installer from CD or DVD.In this example Wubi is installed from Kubuntu live DVD.After inserting DVD into your computer's disk drive autoplay function offers to run Kubuntu installer. If you don't h...
In this video, Britec09 shows, "How to Fix and Troubleshoot Internet Explorer Browser Problems". First ensure that your computer is connected to the internet and your system is not infected by a computer virus, or any other type of infection, that will cause your computer to function incorrectly. First you should download Firefox to validate if the problem is with the internet explorer or the website itself. Second, you must check the version of your internet explorer. If it is old, update th...
This is a javascript trick that will work on any website. Just go to the webpage you would like to view go bananas, erase the url from the address bar, insert this code into the empty address bar, hit enter, and enjoy:
It seems like its hard to get as much sleep as we need, doesn't it? Sleep is important and effects how you function throughout the entire day. Follow these tips and you will be on your way to a good night's rest.
TM Lewin shows us his technique to perfectly iron a man's shirt. You should have what he calls an ironing kit. An iron with a good steaming function, a spray bottle, and a can of starch for a more formal look, and an ironing board. To start lightly spray the shirt with the water bottle. Start with the sleeve, to avoid and crease press firmly with the base of the iron not the tip. Make sure the shirt is flat so you will only have to press on side of the shirt. The collar of the shirt will be t...
George Maestri from Lynda shows how to add interactivity in Google SketchUp Pro using a variety of tools in the program. Adding interactivity allows for added dimension and interaction with an object. The example used in the tutorial was that of a fridge, which after adding interactivity, allowed for the doors and drawers of the fridge to be opened. To utilize this technique, the object's file (without interactivity) should be opened. By selecting the fridge and then going to component attrib...
This video shows us how to fix an iPod that is displaying a folder icon and exclamation mark warning and does not function. The first thing you will need is obviously the iPod, typically the 1st Generation to 5th generation iPod. The second thing you will need is your sync cable, and also a wall charger. The first thing you have to do with the iPod is to reset the iPod by holding down the center button and at the same time hold down the menu button. After a few seconds without letting go the ...
Use the "Magic Wand" tool to select the color you wish to change. The next step is to open the replace color box. Go to Image > Adjustments > Replace Color. After the Replace Color box is open, you may have to select the color that you want to change in the image. Sometimes, it will automatically select the color you're changing, but sometimes you will have to use the Eyedropper Tool and click a hue of the color you wish to change. After the color is selected in the "Replace Color" box, you c...
