Need help in determining the amplitude and period of sine and cosine functions? This free video lesson will show you how. From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps (or just finish your homework or study for that next big test). With this installment from Internet pedagogical superstar Salman Khan's series of free...
Learn how to graph the amplitude and periods of sine and cosine functions in basic trigonometry. Learn how to use trigonometric functions to calculate the sides of a right triangle. Need to know how to solve a matrix-form linear equation in algebra? From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps (or just finish your h...
New to Microsoft Excel? Looking for a tip? How about a tip so mind-blowingly useful as to qualify as a magic trick? You're in luck. In this MS Excel tutorial from ExcelIsFun, the 609th installment in their series of digital spreadsheet magic tricks, you'll learn how to use the COUNTIF, IF, COLUMNS, INDEX, TEXT, SMALL and COLUMN functions in an array formula to return multiple items (e.g., list free periods for a list of students).
Katy Perry is an absolutely cool chick. She is always wearing and updating the funkiest styles. In this tutorial, learn how to recreate Katy's look from her new music video with Timbaland "If We Ever Meet Again". This look is retro, classic and still bold and shiny. If you are a Katy fan or are just looking for a great period style that you can accessorize, check this out.
New to Microsoft Excel? Looking for a tip? How about a tip so mind-blowingly useful as to qualify as a magic trick? You're in luck. In this MS Excel tutorial from ExcelIsFun, the 584th installment in their series of digital spreadsheet magic tricks, you'll learn how to use the OFFSET function and defined names to create dynamic ranges for formulas so formulas update each period when a new data dump (copy and paste) is completed.
Have you met a guy you really like and you want to see him again? Make sure you check out this video, and avoid common mistakes that girls make when they meet guys.
Regardless of where you are, there will probably be a period when your lawn will turn brown and possibly go dormant when there is a drought. Contrary to popular belief, it is okay to use fertilizer on your lawn when there is a drought. Using a higher setting on your lawnmower will allow the grass blades to be longer, allowing them to retain more moisture. When you are finally able to water your lawn again, make sure to water it twice a day, hopefully in the early morning to avoid the heat of ...
Many foods that you cook in the microwave create a very strong odor. That odor can last for a period of several hours or days. To remove the odor take a bowl and wet a paper towel and fold it in half and then in half again and put the towel in the bowl. Put the bowl in the microwave and heat the bowl and paper towel for one minute. Heating it will create steam and the paper towel will absorb the odor.
Bummed about your divorce? Feeling like a failure? Oh, stop! Get off the couch and jump-start your social life because there is life after a divorce! A great life! Get back into the swing of things by taking steps towards building a better you and regaining the confidence you once had. You might just look back on this period in your life and realize it was for the best!
Even with Pixels now coming with 128 GB of internal storage, many folks still struggle with low storage. The culprit is usually photos and videos, which can quickly eat away the space. Thankfully, there's a feature that solves this problem.
The Magic Leap One: Creator Edition has been teased for months now, and while we still don't know exactly when the sales will begin, it can't be long now because we've discovered a couple of new hints that the device's launch is imminent, hiding in plain sight on the company's website.
There has been a huge shift over recent years to alternative medicine as people get disillusioned with conventional medicine to overcome anxiety. Natural and herbal supplements are becoming popular as people re-engage with nature. The list of potential side effects from drugs and the rebound effects from withdrawing often make the thought of taking medication unpleasant. Often the promise of how effective the medication can be is exaggerated or it simply does not have the effect it should bec...
With fragrance-filled sprays, scented candles, diffuser sticks, and other air-freshening products, the scent lasts just a few minutes and doesn't always mask what you were hoping to cover up. When it comes to the bathroom, scented toilet paper might sound like a terrible (and silly) idea, but it's best at eliminating stinky smells over a long period of time.
I was so Scared to get this procedure done. I let this Callus give me Pain for about 1 year.
If you're a steampunk enthusiast looking to give your bathroom an extra kick, this just might be the project for you. This stylish and functional "vintage" toothbrush timer knows when you've grabbed your toothbrush, and will visually count down two minutes before alerting you when you've brushed long enough. All you'll need to put one together yourself is a microcontroller (the designer used a ATmega328p), a weight sensor, light bulbs, brass cups and a tray, an alarm clock's chime, and some w...
If you're writing a college essay or report, your bibliography is a painful, yet necessary part. And thanks to all of the information available on the World Wide Web, most colleges and universities accept websites as resources in your bibliography. But citing websites can be confusing when using the MLA citation format. This video will breakdown the process.
Extend the life and luster of your copper pots with a few items that are probably in your kitchen. You Will Need
The UK print media has been yellower than the middle traffic light for a long time now. The News of the World scandal has cast that into particularly sharp relief of late. The Sun, one of the biggest newspapers in the United Kingdom, demonstrated it again last week when they ran the front-page headline "DEATH BY XBOX".
Young C. Park, retired dentist of Honolulu, Hawaii, has satisfied a life long interest in model airplanes with his meticulous, incredibly detailed models of the Corsair and P-51 Mustang. Pictured below is Young Park's Corsair.
James shows us how to prevent stinky pits without using deodorant, but instead the Japanese Urawaza secret of baking soda and lemon.
Gboard is often considered the best keyboard for iPhone or Android. Google made sure to jam-pack it full of features, and you should expect nothing but the best when it comes to Google's own first-party software. But with so many capabilities, a few things might slip through the cracks.
If you're not a fan of your iPhone's ability to adjust screen brightness by itself, you've probably turned off auto-brightness on multiple occasions in the past. All you would do is go to your "Display & Brightness" settings and toggle it off, but that's no longer the case in iOS 11 and iOS 12 — whether you have an iPhone X, XS, XS Max, XR or any older supported iPhone.
Video: . Being one of the most popular DIY/maker projects around, Musical Floppy Drives are nothing new. However, myFloppyDriveOrchestra includes a few unique features, which separate it from the crowd.
Free trials are a great way to test out products before a purchase, or simply for the exploitation of free stuff for that limited amount of time. Some trials last a few days and some last even a month or two, but no matter what—these trials will always expire. But like most things in life, there is a way to get around such limitations.
Instead of wasting time asking where your friends and family are at a given moment, then having them waste time by describing their location, there are several Android apps you can use that will automate this whole process. To top it off, it doesn't have to be about invading privacy or spying on someone, since most of these apps are offer two-way location sharing, or at least let you share locations only when you feel comfortable with it.
The Internet has had a huge influence on many areas of our lives, but, in particular, has resulted in nothing short of a revolution in the way we work. The web has offered the sort of flexibility to the individual that few people would have dreamed of just a couple of decades ago. And where once a global marketplace was available only to a handful of multinational corporations, today thanks to the Internet, we can all access it.
The turkey is the A-list star of your Thanksgiving table, so it only makes sense to make sure it's as savory and enjoyable as possible, right?
In this video tutorial, viewers learn how to find their I.P address in Windows 7 and Vista. Begin by clicking on the Start menu. Then type "cmd" into the search bar and press Enter. When the command prompt window opens, type in "ipconfig" and press the Enter button. Now search through the list and find a line that says "I.P address" or "IPv4 address". The numbers will be divided by periods. Another way is to open Control Panel and select Network and Sharing Center. Then click on your local ar...
During this rough economic period, more and more people are looking for better ways to save on money, but still look good in the process. One of the best ways of doing that is by making your own jewelry. Much of the materials can be bought at stores like Target and Wal-Mart and are easy to put together. So in this tutorial, you'll find out how to make beautiful looking pearl cluster earrings. Good luck and enjoy!
Scott from Spring Hill Nursery with Step by Step Gardening teaches you some basics about hydrangea plants. He talks about how to take care of the plants, how to ensure blooming, and some planting considerations. Hydrangea plants need at least five hours a day in order to bloom so they should not be planted in very shady locations. The blooms can be pink, blue, green, or white, depending on the variety and soil conditions. The blooms can be used in bouquets, or dried for use in crafts. The pla...
An atom is a basic unit of matter consisting of a dense, central nucleus surrounded by a cloud of negatively charged ions. The nucleus itself is a mixture of positively charged protons amd electrically neutral neutrons. Different groups of elements have respective atomic numbers. You can use the periodic table as a tool to draw atoms of elements. The periodic table is organized into periods, groups and families. This video is a tutorial that reviews the subatomic particles found in an atom. I...
In this video tutorial, viewers learn how to use the Peter Answers - Virtual Tarot website. Peter Answers is a fake fortune telling website that is usually used as a prank. Begin by going to the website. In the Petition space, type in a period. A "P" will be displayed. Then type in the answer too the question and press the space bar until it spells "Peter, please answer the following question:". Then type in the question in the bottom space. This video will benefit those viewers who enjoy pla...
In this video, ExcellsFun takes you step by step on how to calculate your employee payroll using an excel spread sheet. ExcellsFun teaches you how to take the base pay of various employees' salaries and determines how much you are paying them over a week, month, and year. Excellsfun also shows you how to incorporate various pay periods including weekly, semi-weekly, bi-weekly, and monthly on the same form using the same calculation for the entire spread sheet. After watching this video, you w...
This energetic video shows what the Cambrian Explosion is and when it occurred in relation to a 24 hour clock that represents Earth's life. The Cambrian Explosion was a huge increase in multicellular life forms that occurred about 542 million years ago. The video then demonstrates how the Cambrian Explosion was only a small part of the history of life on Earth. It goes through the major developments of life on Earth and shows how it relates to a 24 hour period. This video is a tool in underst...
The RV Doctor, Gary Bunzer, tells us tips on how to keep RV batteries in good condition. •If you stay in camp grounds a lot or leave the couch plugged in during periods of non-use, one of the things you need to know is the boiling out the electrolyte on the auxiliary battery.
This is an uncomfortable subject: your period. But you don't want to be uncomfortable when protecting yourself. You shouldn't have to worry about cardboard applicators or crappy pads, so try Playtex tampons. This video tutorial from Playtex will show you how to insert a tampon.
Learn how to play "All Summer Long" by Hit Master, an acoustic guitar tutorial. Follow along with this demonstration, tabs and lyrics here:
This how-to video shows the steps for making chain mail, just like the authentic armor of the Medieval period. Making chain mail is fairly simple, requiring only a couple supplies. You will need a rod, wire cutters, two pairs of pliers, a variable speed drill, and a spool of un-galvanized fencing wire. Watch this video metalwork tutorial series and learn how to make chain mail.
Lisa shows us how to clean up spilled candle wax using an iron and a paper towel, a trick from Japanese Urawaza.
This how to video shows us how to clean up spilled egg yolk using salt. Avoid a slippery sticky mess with these great cleaning tips.
