How to Find Percentage From Two Numbers

When you look at your status bar on your iPhone, you'll almost always see the battery icon, which gives you an estimate of how much battery life you have left before you need to charge the device. What you won't always see is the exact battery percentage, but there are multipl ...more

While it doesn't come with any iPad models out of the box, the Apple Pencil is perhaps the best iPad accessory you can get. It's a powerful writing and drawing tool with an intuitive design and user-friendliness that makes it easy to take notes, draw sketches, mark up document ...more

Apple finally gave the Books app for iPhone the attention it deserves, making the experience even better for reading e-books and listening to audiobooks on the go. You can even do more with Books in custom shortcuts you develop. We've had Apple's convenient book reader and bo ...more

Flight disruptions can cost billions of dollars, but most modern commercial flights rely on air traffic control systems that harbor serious vulnerabilities. The Federal Aviation Administration uses an infrastructure called NextGen, which relies on Automatic Dependent Surveilla ...more

The private automobile has been an intrinsic part of our lives for around a hundred years. But over the last decade, car sharing has gained a very small but growing part of the mobility market. The more recent rise of companies like Uber and Lyft is witness to a more dramatic ...more

When you want a helpful task manager on your iPhone or iPad, any of the nine apps in this guide should be at the top of your list. But we'll review each app's features to help you determine which one might be best for your workflow. Using a task manager on your iPhone or iPad ...more

Your iPhone is full of features, many of which you might not even know about yet. Still, Apple keeps adding feature after feature with each new iOS update, and iOS 14.5 is no exception. The latest iOS version adds at least 69 features for your iPhone that you should be happy a ...more

Whether you have or are getting an iPhone 12, 12 mini, 12 Pro, or 12 Pro Max, the default way to check the current battery life is via the tiny battery icon in the top right of the status bar. But that does not accurately depict how much juice is left, not as a specific percen ...more

Apple's bringing big changes to your iPhone's lock screen in iOS 16, and one of those changes lets you pick an always-updating wallpaper for your local weather conditions. If you don't want to wait until the fall for the stable iOS 16 version and don't want to install any iOS ...more

The home screen is the most important part of your iPhone when it comes to customization, and Apple just gave us even more options to personalize it. On iOS 15, you could already hide apps and even entire pages from your home screen. You could also change the icons of apps th ...more

The App Store has been around for almost 14 years now, and during that time, we must have seen over a million games come and go and stay and expand. But only a tiny fraction of those games have become blockbuster sensations because of the mighty App Store's reach on iPhone and ...more

It seems like nowadays, whenever Facebook rolls out a new feature, it's immediately controversial. Social Ads put your name and face in the spotlight, Instant Personalization shared your information with partner sites, third-party apps were allowed to access your home address ...more

In today's world of social media, there's really only two powerhouses—Facebook and Twitter. And those of you with Twitter accounts know the power of a Tweet. Getting more followers means reaching more people, but the vast majority of Tweeters are following only a handful of Tw ...more

Now that the iPhone 4 is on Verizon, there's an increasing number of ex-Android users wanting to know how to take a screenshot on their new iOS device. We all know what a nightmare it was to take a screenshot on your Android device. You had to download the Android SDK, enable ...more

Over the years, I have enjoyed playing with Asterisk. I have found Asterisk to be extremely powerful and fun to play with. There are several books and many scattered how to articles out there, but most are outdated and the information required to build Asterisk from beginning ...more

Prank Calls, Masked NumbersWho is calling your phone or your child's? Pranksters use a lot of tricks to make sure they can get on your nerves. Being able to trace prank calls is important because you're not going to learn much from your Caller ID, since most prank callers use ...more

Thanks to online music services like eMusic and iTunes, compact discs are becoming a far distant memory, turning local music shops around the country into desolate wastelands. The once mighty movie rental store Blockbuster is now bankrupt because of online streaming services l ...more

Facebook is at it again. First they invaded your privacy with Instant Personalization, now they plan to take it a step further with their controversial plans to share users' home addresses and mobile phone numbers with third-party developers and websites. Due to user feedback ...more

After years of false rumors and abandoned hopes, the day has finally come. Verizon Wireless is finally getting the Apple iPhone! No longer does AT&T monopolize the iPhone market. Three weeks ago, Verizon Wireless and Apple announced the iPhone 4's arrival to the nation's most ...more

In a recent arbitrage tip, we showed you the secret to making money fast by buying and selling the same thing over and over again on eBay. But there's one thing you need to know about the buying part—get the lowest price possible! This article aims to show you some of the best ...more

Fire.  It’s everywhere— always has been.  From the Ordovician Period where the first fossil record of fire appears to the present day everyday uses of the Holocene.  Today, we abundantly create flames (intentionally or unintentionally) in power plants, extractive metallurgy, i ...more

Mechanical locks have been around since ancient Egypt, with the oldest known artifact found in the ruins of Nineveh, an ancient city in Assyria, Mesopotamia, which is just across the Tigris River from what is now Mosul, Iraq. It was a forerunner to our modern-day pin tumbler ...more

Most of the time, when I’m bored during math class, I play with my calculator to satisfy my boredom. Recently, I've discovered that when multiplying any number by 11, 111, or any number similar to it, that it has a pattern (though I guess everything in math has a pattern). I d ...more

If you loved The Da Vinci Code by Dan Brown, then listen up— there's been a new discovery found hidden within Leonardo da Vinci's most famous painting— the Mona Lisa. An Italian researcher named Silvano Vinceti sparked a new controversy over the world's most famous painting w ...more

Guitar Essentials My friends and I would secretly scribble tab in the darkly lit practice rooms in our university even though we were educated musicians. So, being able to read tablature, or tab, is essential for beginning guitarists. Tab is a curious way to write down music ...more

First off, don't be frustrated. YOU CAN DO IT! Contrary to the message in the image above, it's NOT over. It's just beginning. And when it comes to solving the New York Times crossword puzzle, the old cliche does apply: practice makes perfect. I've read quite a few books and ...more

There is no fan experience in professional sports quite like watching an NBA game live. Partly, this can be attributed to the combination of fluid teamwork and jaw-dropping athleticism the players exude in the form of size, speed, jumping ability, grace, and strength. What tru ...more

Garlic is a great addition to many delicious recipes but it can often be a very time consuming process even just to peel. This article will show you a great trick that will make peeling garlic fast and easy. If you're new to cooking or haven't yet learned the trick that's des ...more

Make your own personalized coasters using Scrabble tiles! You design them, so they can say anything you want them to! Pick a theme and make a set or make each coaster completely different from the rest. What You'll Need Scrabble tiles Glue gun Squares of wood or cork (about ...more

Grey's Anatomy fans— you have just gotten a better viewing experience— an interactive viewing experience. But you need an Apple iPad to bask in the sweet delight of doctorly debauchery and do-goodery. With ABC's new iPad App, aptly called ABC's Grey's Anatomy Sync, it provide ...more

This won't be a fancy video or have crazy photos of before and after. I'm not insanely buff nor do I use supplements/drugs to stay fit. Just have a look at my photo and decide if that's how you want to look. As the title suggests, you don't need to use a gym, you don't need a ...more

Social Profile Change the privacy settings on your social profile (Facebook, MySpace, Friendster, Twitter, etc.) so that the following information can't be found by a random person who you didn't accept you as a friend: Birthdate E-mail address Hometown Pictures A hacker ca ...more

If you're an owner of a BlackBerry smartphone, chances are you're going to want to use BBM, which for all of you newbie BlackBerry owners, stands for BlackBerry Messenger. BBM is an instant messaging application developed solely for BlackBerry device owners. Video: Add contact ...more

Everybody loves a good fair ground ride and so why not give them something to panic about more than a few bloody pranks? Pranks: 'The water, it burns!!' : Two friends or one person will go on a water ride, preferably in a carriage with other people they don't know or if they ...more

Plastic Jungle.com offers an awesome service in which you can sell your unused gift cards for cash, other gift cards, and even Facebook credits! You can visit their website and create an account then trade in your gift cards for cash and browse other gift cards that you can b ...more

This tutorial is for complete beginners to time-lapse photography and will show you all the settings and equipment you'll need to start taking time-lapse videos with a DSLR camera relatively cheaply. Although this tutorial focuses on the Canon 7D, the steps outlined and equipm ...more

Learning Style What kind of learner are you? There are three different ways people learn: Auditory learner: A person who learns best by listening. This type of person will benefit best by finding someone to study with, to ask each other questions, and to read the study mater ...more

For all of you PS3 owners who got addicted to the wonderful puzzle platformer LittleBigPlanet, your hopes and dreams have finally been realized— LittleBigPlanet 2 is now out! Originally set to be released in November of last year, Media Molecule's LBP2 was in stores last Tuesd ...more

It's 1976. The hottest arcade game on the market is Blockade (or Blokade), an 8-bit maze game for 2 players. You and your opponent must move your characters around the screen in 90-degree angles, leaving a solid line behind them. Whoever runs into one of the solid lines first, ...more

The first day of Hanukkah is here, the day you start lighting the candles of the menorah. So, why not ditch the wax and light the "lights" this year? (Skip ahead to see the LED menorah) Hanukkah is a Jewish festival that lasts eight days from the 25th day of Kislev, which th ...more

The abdominals can be considered one of the best signals of fitness and strength and is one of the most sought-after muscle groups to develop by both men and women. While the abdominals are very desirable, it can be one of the most difficult areas to distinguish and maintain. ...more

I am writing this quick post in response to the recent earthquakes and tsunamis that are affecting Japan. As soon as the news broke, and we began to hear of tsunami warning for our area, I immediately realized how under prepared I was for a natural disaster. The thing that dro ...more

So You're New to Counter Strike Source? So you're new to Counter Strike Source and you want to improve your gameplay? Great. You've come to the right place. The first step to improving your game is to admit that you are a NEWB or NEWBIE. Do not confuse this with NOOB. A "new ...more

With FarmVille being one of the hottest Facebook games on the market, it's no wonder it's the primary target for scams and virus downloads. Anyone playing FarmVille is at risk, but the primary targets are those looking to improve their gameplay and build their farms and neighb ...more