Having trouble with word problems in algebra? Watch this video to clear a few concepts as well as to learn how to systematically tackle word problems in exams. As explained in the video, the solution to any algebraic problem can be found by using the following 5 steps: 1) De ...more
To some, SCRABBLE is just a board game to play during family game night or during a casual get-together. Others think of SCRABBLE as a mere hobby. But with any activity, there will always be fanatics—the ones who would rather sell their soul than stop—the ones with a constant ...more
A first hands look at the first chapter of the game. "When the wife of best-selling writer Alan Wake disappears on their vacation, his serach turns up pages from a thriller he doesn't remember writing. A dark presence stalks the small town of Bright Falls-" Suspense thrille ...more
Whether you're interested in learning Microsoft Excel from the bottom up or just looking to pick up a few tips and tricks, you've come to the right place. In this tutorial from everyone's favorite digital spreadsheet guru, ExcelIsFun, the 48th installment in his "Highline Exce ...more
Rational numbers are numbers that can be expressed in the form of a/b, where a, b are integers and b is not equal to zero. Rational numbers are also called as fractions. Multiplication of fractions is very simple and straight forward. Two multiply two fractions a/b, c/d first ...more
How to prepare for the math section of SAT:Eva for brightstorm2 gives us a few quick tips to solve the math section in the SAT test. They are simple, easy yet crucial to help you get through the math section. Let us begin with the basics. Basic are simple tips like read carefu ...more
This educational math video describes the steps necessary to solve an equation involving absolute values. "Absolute value" refers to the magnitude of a quantity and is always expressed as a positive number. You can think of absolute value as the distance a number would be from ...more
Doina Popovici's video explains how to calculate the area of a ring. She takes us really slow, down to all the steps of this process. It's very important that she explains every math formula and operation so you cannot get lost into this solving. The video uses nice pictures a ...more
In another installment of Math Problem Generator this video shows how to find the area of a trapezoid. First it displays the dimension of the triangle, with the corresponding formula to find the area. This quick and easy demonstration shows how to plug in the correct dimension ...more
A video from The Free Math Tutor that shows you how to use graphs to solve simple linear algebraically problems in mathematics. This video is introductory in nature and teaches the viewer, proper plotting methods on graphs. The presenter also teaches you how to choose a proper ...more
It may seem elementary to some, but there are still those (especially young children) who cannot add two numbers together. The easiest way to start out with addition is with the number line trick. This math video shows you the quick trick to learning simple addition problems. ...more
Some websites require you to perform a verification task so they know you're human and not a bot. It helps websites curb spam, abuse, unauthorized access, and cyberattacks but also adds an obstacle for anyone trying to visit their content. If you find it more of a nuisance tha ...more
The last iOS software update was a modest one, but iOS 17.4 has a lot more for your iPhone, including changes to emoji, Podcasts, security, Safari, widgets, Apple Cash, CarPlay, and more. Many of the exciting changes in iOS 17.4, as well as iPadOS 17.4, apply to users in the ...more
Apple doesn't include a calculator on the iPad and never did. One almost appeared over 12 years ago but was nothing more than a blown-up version of the iPhone app. Since then, the company still hasn't made an iPad-optimized calculator, and there is no shortage of third-party a ...more
The hottest word game right now is Wordle, a simple game that gives you six chances to guess the five-letter word of the day. I've already shown how you can add the real Wordle app — not a fake clone — to your iPhone or Android phone's home screen. But there's also a way to sa ...more
When Microsoft unveiled Mesh a couple of weeks ago, the move revealed a major part of Microsoft's next steps toward dominating the augmented reality space, particularly with regard to enterprise customers. But aside from the general details contained in the announcement, what ...more
Spotlight, Apple's system-wide search feature, lets you search for apps, contacts, messages, webpages, music, notes, and other content that's on and off your iPhone. On iOS, it's known as "Search," and you can access it by swiping your home screen down or swiping open the Toda ...more
Cases and stickers are always great, but they aren't the only way to customize an iPhone. The software on your device is full of customization options, from a better-looking home screen and cooler lock screen wallpapers to app icon changes and a system-wide dark mode. There's ...more
Look, tests are no fun, and doing poorly on them is rarely an option. Whether you're studious or a slacker, everyone needs a little boost now and again. While students have found ways to cheat as long as tests have existed, the invention of smartphones has greatly enhanced the ...more
Developers creating login systems know better than to store passwords in plain text, usually storing hashes of a password to prevent storing the credentials in a way a hacker could steal. Due to the way hashes work, not all are created equal. Some are more vulnerable than othe ...more
Escape rooms, those real world puzzle games that challenge teams to solve a mystery and gain their freedom from a locked room, are all the rage right now. But augmented reality games such as The Lockdown could make them obsolete. Available now via the App Store and Google Pla ...more
This year's big iPhone update, iOS 12, aims to solve many of the issues that arose during iOS 11's controversial, buggy tenure. With that in mind, it may be tempting to jump on board the new software immediately and leave iOS 11 in the dust for good. Here are some reasons why ...more
According to Google at their 2018 I/O conference, Google Assistant is now available on over 500 million devices. Now that the assistant is available on iPhones as well, Google has to give iOS users a reason to switch to its assistant over the built-in Siri. Today, Google has e ...more
Being able to write your own hacking tools is what separates the script kiddies from the legendary hackers. While this can take many forms, one of the most coveted skills in hacking is the ability to dig through the binary files of a program and identify vulnerabilities at the ...more
Have you recently tried to type the words "it" or "is" on your iPhone only to have the Apple keyboard attempt to autocorrect them to "I.T." or "I.S.?" If so, you're not alone. Reportedly hundreds of users have complained across messages boards and Twitter about this autocorre ...more
Besside-ng is the hidden gem of the Aircrack-ng suite of Wi-Fi hacking tools. When run with a wireless network adapter capable of packet injection, Besside-ng can harvest WPA handshakes from any network with an active user — and crack WEP passwords outright. Unlike many tools, ...more
An innovative new wound dressing has been developed by a research team at Lodz University of Technology in Poland that uses crustacean shells to create a bandage that packs an antimicrobial punch — and even more potential to help solve a global problem. Bandages typically hel ...more
A group of researchers from Stanford University and Princeton University has put together the largest RGB-D video dataset to date with over 1,500 scans of over 700 different locations across the world, for a total of 2.5 million views. This dataset, called ScanNet, has been s ...more
When a dead body is discovered, finding out when the person died is just as important as finding out how the person died. Determining the time of death has always involved lots of complicated scientific detective work and less-than-reliable methods. However, a study by Nathan ...more
If you have any group chats going, you're surely familiar with this scenario: One person sends a picture, then, within 30 seconds or so, all other participants chime in with one-word responses like "Cute," or "Awesome." It's a social nicety, so you have to expect this behavior ...more
Hello fellow Nullbytiens, today we will be talking about IRC again (if you haven't read OTW's post about head over there now)and more specifically about using 1 nickname with multiple devices or IRC clients. IRC was a protocol that was developed in 1988 and doesn't support us ...more
Smartphones have been a hot button issue around school campuses for several years now—some schools allow them, others confiscate them on sight. But the fact of the matter is, when used correctly, a smartphone can be just as much of a learning tool as a textbook or school-issue ...more
Video covering how to set up a Venn diagram. The video covers how to draw the diagram and then look at a set of data and place the data in the correct part of the Venn diagram. The sample problem is as follows. Hector has entered the following names in his contact list of his ...more
Everyone and his mother (and grandmother) has a chocolate chip cookie recipe that he swears is the absolute best recipe, guaranteed to produce a chocolate chip cookie so good it will make you weep with joy. The problem with that is that everyone—relatives included—has a differ ...more
Spotlight, Apple's selection-based search system, received a major facelift on Mac OS X Yosemite. Packed with dozens of new features, such as a central search window and increased app suggestions, the reworked Spotlight was a breath of fresh air. While the Spotlight Search to ...more
Welcome back, my rookie hackers! As hackers, we are often faced with the hurdle of cryptography and encryption. In some cases, we use it to hide our actions and messages. Many applications and protocols use encryption to maintain confidentiality and integrity of data. To be a ...more
Math homework isn't the easiest thing to get through quickly, no matter how prepared you are. Knowing your stuff simply won't cut it. Going through dozens of equations in one sitting could take up hours of your time. Even when you finish, there's always going to be that one pr ...more
Journals are a great source of hilarity and embarrassment, detailing everything from your elementary school crushes to those super awkward middle school dances. While rereading your old hand-scrawled entries might make you cringe, that old journaling habit could benefit you as ...more
With the recent release of iOS 7 there is a world of easter eggs to discover within the new operating system. iOS' included calendar app has never been the most exciting or even the most user friendly. While this (truly) hidden feature does not solve all the calendar app prob ...more
What Is Pythagorean Theorem? Pythagorean Theorem is an equation discovered by a man named Pythagoras. It can be used to determine whether or not a triangle is a right triangle and find missing lengths of a triangle. The equation is: Parts of a Triangle The hypotenuse is the ...more
Every Windows system includes command prompt; and while a lot of people on Null Byte and WonderHowTo in general know how to use it, some people don't know anything about it, even how to access it. Even if you aren't a Windows user, it's good to know how command prompt works b ...more
Like a computer, your brain can store and process large amounts of information. It can remember names, solve math problems, and save tips that you might need at a later time. Unlike a brain, though, computers tend to collect information that might not be important. Not only t ...more
As people continue to upgrade their PCs to Microsoft Windows 8, more and more developers are adding content to the Windows Store. While the offerings are not as vast as Google Play or the iTunes App Store, it does have some solid apps for both productive users and those lookin ...more