A system of linear equations usually has a solution that is an ordered pair (x,y). Sometimes that isn't the case, especially when the equations represent the graphs of parallel lines (inconsistent system) or the same line (dependent system). Learn how to solve a system of equations algebraically in this free video lesson. 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,...
Insert DVD containing Mac OS software into system drive. Reboot system. Confirm installation and agree with license. When prompted to select drive, select disk utility from menu bar. Select hard drive and click on erase button. Select Mac OS extended file system. Confirm erasing all data. Once drive formatted, close disk utility. Select to install in hard drive that was erased. After installation completes and system reboots, select Language and Keyboard for your country. When asked if alread...
This tutorial describes the procedure to remove autorun.inf and boot.com virus. This virus is commonly called as resycled/boot.com virus, which could damage the system files and may steal important information from the system.This can be removed by any malware / spyware remover like Malewarebytes.
In this video tutorial, viewers learn how to create a System Restore point on a Windows XP computer. Begin by clicking on the Start menu and go to All Programs. Open the Accessories menu and select System Tools. Go down the menu and select System Restore. Check Create a Restoring Point and click Next. Now type in a description for the restoring point and click Create. You will then create a restoring point for you to access whenever you want to restore back to that point. This video will bene...
Learn how to access the PS3 secret recovery menu by following this tutorial. You will need a PS3, PS3 remote, and a USB charger cable. Hold the power button on your system. Listen for three beeps (as you keep your finger on the power button). The third beep will turn your system off. Repeat this process, but this time, you will hear only two beeps (one beep followed by a quick double beep). Turn your TV on and it will tell you to connect your controller to the PSP. Connect your USB cable to t...
In this video the instructor shows how to solve systems of linear equation by graphing. A system of linear equation is equations of two lines that are to be graphed on the same coordinate axes. Now take the first equation and write it to form y = mx + b. Now extract the value of slope m and graph the line as shown in the video. Similarly graph the equation of the second line as shown in the video. Now if the two lines intersect at a point, that point is the solution to the system of that line...
In this video the instructor shows how to shade a system of inequalities. He says that shading a system of inequalities is similar to shading a single inequality but in the former case you tend to shade more than one inequality in the same graph. He shows how to do that using an example set of inequalities and plots the lines on the graph. He uses dotted lines for lesser than or greater than inequalities and uses straight lines for inequalities which contains the equal to symbol. Now he shade...
With the growing popularity of digital downloads, it's important for aspiring musicians to have some sort of download available of their music. If you're an unsigned musician, selling your music on iTunes might seem daunting, but it's actually very easy! Learn how to do it in this video.
Got a digital camera, but no idea how to share pictures with friends and family? Try the photo-sharing site Flickr.
Confused by TikTok? Trying to grow your Instagram fanbase? Aiming to create the perfect Facebook ad? Growing an audience might be challenging, but with the right strategies, it is possible — and fun.
Apple added a Bedtime Mode to its Screen Time tool for curbing smartphone distractions. Google's version of Screen Time, called Digital Wellbeing, actually predates Apple's, but a recent update is finally bringing in Bedtime Mode.
Owning digital movies has many advantages over physical discs, such as easy access and a variety of online stores you can turn to for good deals. There's Prime Video, iTunes, Vudu, and the list goes on. However, this leads to fragmented video libraries, unlike DVDs and Blu-rays which can be stored together. Surprisingly, YouTube is one app that can help consolidate your collection online.
Magic Leap CEO Rony Abovitz doesn't engage in tweetstorms often, but when he does, those tweets are bold, exceedingly confident, and there's usually a strong takeaway regarding what the company is or isn't doing. But on Thursday, Abovitz's latest tweetstorm sent an unusually flustered message: We promise, the magic we're telling you about it better than anything you've seen on video.
Based on its continued research, it appears Microsoft recognizes that the next HoloLens needs a wider field of view (FoV). Based on a recently-revealed documentation, the company's research team has found another way to accomplish that objective.
Mobile phones are not only essential for work and communication, they're quickly becoming an integral asset to our health. Your iPhone can store valuable data about fitness, nutrition, heart health, and so much more. And since iOS 11.3, your iPhone can even import a list of allergies, medications, immunizations, hospital visits, and other health information from your doctor or hospital.
When it comes to augmented reality smartglasses, for now, it's still a mostly enterprise world, since the form and function of most are more acceptable on a job site versus your local cafe, and the still high price tags are far more palatable to major companies rather than individuals.
Dogmented reality might be coming to Apple's ARKit, so get ready to play with your new (AR) pups! Don't Miss: A Breakdown of the What Apple's New ARKit Can Do for iPhones & iPads
Hello people again, I wrote my last post about crypto about 10 months ago, now I will introduce something not fresh for the science, but fresh for the people who wants to learn. In my http://null-byte.wonderhowto.com/forum/cryptography-0161538/ post of crypto concepts, there is just basics, today we will see something that targets wide concepts like Symmetric crypto, Public Key Cryptography, Hashing, Keys etc...
Arcades, Nintendo, Sega, and 16-bit graphics ushered in a new level of gaming that was leaps and bounds ahead of the early Pong days. I remember loading quarters into the machines and playing 2D fighting games until all my money ran out. When I wasn’t in school, you could usually find me at the arcade playing Street Fighter, The King of Fighters and Marvel vs. Capcom. At home, I had my Super Nintendo and Super Mario World keeping me glued to the television until the next boss stage.
White balance is an important aspect of photography. Balance your camera correctly and you will take impressive pictures, balance it poorly and your photos will appear washed out or blurry.
Most people don't use their cameras to make movies (really bad quality and a sort of user-generated content feel are probably the culprits) but cameras with a record function are great for those impromptu memory-making moments when your dog tries to do a handstand or your grandma unloads the biggest belch ever.
Pro Tools is THE software choice for digital audio recording and editing. You've got some serious power at your disposal and you'll want to know how to handle it all. This video shows how to take your finished Mix from Pro Tools SE, and burn it to a CD that will play in any CD Player.
This is a lens you can make yourself easily. You will need a drill, a needle, a body cap, tape, aluminum foil, a ruler or measuring tape and a pencil or piece of chalk to mark where the hole should go.
Color correction is important, because it gives your finished film a professinal touch. This tutorial is a quick explanation on how you can do color correction on your digital movie projects by using the editing tools available in Adobe Lightroom.
Spice up your digital photos with filters and effects. See how with this quick, official guide from HTC.
Ever wish you could watch your favorite Hulu shows on your TV using your Roku media player? Before November 17th, 2010, you were out of luck — now, in most cases, it's as easy as running a software update! This clip will show you what to do you get Hulu Plus up and running on your own television using your Roku set-top box.
The raging debate in the electronic music world between digital and hardware music production is virulent and unnecessary when the best setup is clearly a mix of the two. In this video you'll learn how to get your computer and your DJ hardware together by using the Ableton Live external effect plugin to control sounds from your gear using the computer. It's the best of both worlds!
This two part tutorial is all feet, all the time. Done in the comic book style, this tutorial shows you how to expand on the basic triangle to draw realistic and proportionate feet, as well as avoid some of the pitfalls new artists encounter when trying to master feet for themselves.
In this video tutorial, we learn how to create two separate exposures for the same image with Camera Raw when retouching a digital photograph in Adobe Photoshop CS5. Whether you're new to Adobe's popular raster graphics editor or a seasoned designer looking to better acquaint yourself with the new features and functions of the latest iteration of the application, you're sure to benefit from this free software tutorial. For more information, watch this video guide.
A long exposure setting can create some interesting effects, especially when you're photographing a moving light source at night. This tutorial shows you how to set up your camera and maximize your surroundings so you can take the absolute best and most dramatic photographs possible.
In this video tutorial, we learn how to create and share digital scrapbooks with Scrapblog, a new virtual scrapbooking platform. For more information, including a complete demonstration and detailed, step-by-step instructions, and to get started creating your own scrapbooks online, watch this how-to from the folks at popSiren.
As you might guess, one of the domains in which Microsoft Excel really excels is finance math. Brush up on the stuff for your next or current job with this how-to. In this tutorial from everyone's favorite digital spreadsheet guru, YouTube's ExcelIsFun, the 19th installment in his "Excel Finance Class" series of free video lessons, you'll learn how to calculate return on equity, assets, and profitablility — return on investment (RoI).
As you might guess, one of the domains in which Microsoft Excel really excels is finance math. Brush up on the stuff for your next or current job with this how-to. In this tutorial from everyone's favorite digital spreadsheet guru, YouTube's ExcelIsFun, the 15th installment in his "Excel Finance Class" series of free video lessons, you'll learn how to generate a common-sized financial statement within Microsoft Excel.
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 725th installment in their series of digital spreadsheet magic tricks, you'll learn how to calculate quartiles with the MATCH and QUARTILE function.
The lomograph technique in photography involves letting light bleed into the shot. Fortunately, you don't need expensive camera equipment to get this same effect. You can use the free GIMP software to create a lomo effect on any digital image which includes a lot of sky.
Need some help figuring out how to achieve that classic "telephone" effect in Logic? Let this clip be your guide. Whether you're new to computer recording, new to the Ableton Live DAW (digital audio workstation) or just looking to pick up a few new tips and tricks, you're sure to benefit from this free video software tutorial from NextStepAudio. For more information, including detailed, step-by-step instructions, take a look.
This clip provides a lesson on how to generate a custom multi-sample instrument within Logic Pro Studio. Whether you're new to computer recording, new to Apple's Logic Pro DAW (digital audio workstation) or just looking to pick up a few new tips and tricks, you're sure to benefit from this free video software tutorial from NextStepAudio. For more information, including detailed, step-by-step instructions, take a look.
This clip provides an overview of how to create a dancy rhythmic gate effect in Ableton Live 8. Whether you're new to computer recording, new to the Ableton Live DAW (digital audio workstation) or just looking to pick up a few new tips and tricks, you're sure to benefit from this free video software tutorial from NextStepAudio. For more information, including detailed, step-by-step instructions, take a look.
Learn how to a create a fancy, dancy multi-band rhythmic gating effect in Logic Pro. Whether you're new to computer recording, new to the Apple Logic DAW (digital audio workstation) or just looking to pick up a few new tips and tricks, you're sure to benefit from this free video software tutorial from Next Step Audio. For more information, including detailed, step-by-step instructions, take a look.
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 720th installment in their series of digital spreadsheet magic tricks, you'll learn how to use filtering, the AND, TODAY and EDATE functions, and conditional formatting to show values between two dates.
