How To: Subtract numbers in yout head
This how-to video explains in detail about an alternate mental subtraction method.
This how-to video explains in detail about an alternate mental subtraction method.
Getting tired of prank phone calls from blocked numbers? Check out this video to learn how to view a blocked phone number on any phone. Visit Trap Call to learn more about the service described in this how to video.
Want to know how to permanently display the Windows 7 build number on your desktop? It's easy! So easy, in fact, that this home-computing how-to can present a complete overview of the process in just under two minutes. For more information, including detailed, step-by-step instructions, and to get started using this trick yourself, watch this video guide.
It seems like everyone has Caller ID these days, but not everyone wants to give up their privacy. Whether you're calling from a cell phone or a landline, you can dial *67 to block your phone number from appearing on Caller ID, and many phone companies offer a permanent option as added service.
Check out this instructional home repair video to learn how to identify the model number on your oven. The model number is usually essential for most repairs. People make the mistake of assuming that the name and number on the front panel is all you need; many stove manufacturers, however, use the model number as well as the serial number. If you still can't find it, check on top of the cooker. Other than that you would need to check the sides and back of the machine.
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 23rd installment in his "Excel Finance Class" series of free video lessons, you'll learn how to solve for the total number of periods when the present and future values are known to you.
Don't lose your friends' numbers; save them to the address book. Watch this iPhone tutorial video to learn how to save numbers in your iPhone's address book. This how-to video is intended for new iPhone owners.
Privacy is important. Whether its a telemarketer or a crazy ex, sometimes you may need to block someone from contacting you. With this tutorial, learn how to get rid of those pesky callers.
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. With this free math tutorial, you'll learn how to calculate the area of a triangle by formula. In this clip, you'll learn an easy finger-counting trick for quickly calculating multiples of 9.
As much as it pains me to say it, without my phone, I would pretty much be useless. I can barely remember what I had for lunch yesterday, let alone all of the hundreds of numbers in my contact list. That's why whenever I forget my phone at home, I am pretty much stuck having to choose whether I want to be late to wherever I'm going, or feeling completely lost and disconnected for the rest of the day.
Syncing your Google and Facebook friends to your smartphone gets your contacts list up-to-date quickly, so you'll never have a problem finding someone's number.
Let's say you're using your iPhone's Calculator app, and you're knee-deep into a complicated calculation with many steps. You type in a large number, for example, "123,466,789," but mess up. You meant to type "5" midway through but accidentally typed "6" instead. The only thing to do now is start over, no matter how far along you are, right? Wrong.
The reason that Facebook is so popular is because it connects us to people that we could have never been connected to before. When people log on, they look for messages, comments, likes, and any other notifications that connect us to those people. These same notifications, though, distort our view of Facebook. We tend to appreciate statuses (I prefer stati) that have more likes. We're geared towards people that have more friends, so we tend to like pages that already have hundred of thousands...
Even under normal circumstances, it's almost impossible to speak to a representative for a government agency or company in just one try. Many systems will put you on hold for long periods or ask to call you back when someone is available, but there are still some out there that just give you the busy signal over and over again. In those cases, there's a jailbreak tweak that can help.
There are tons of situations that require you to give out your phone number, and I think just about everyone has regretted doing so at some point. It can be incredibly convenient to have a secondary or temporary number on hand, so if you don't want to provide your real digits, you can still get the call without revealing your true numbers. And that's where Burner comes in. Burner is a mobile app for iPhone and Android that lets you create alias phone numbers that you can take out of service a...
If you utilize strong passwords—which you absolutely should be—you've probably had to go back and forth between keyboard screens multiple times to input various letters, numbers, and symbols.
For years, you could only make purchases with your Apple Cash balance on your iPhone using Apple Pay, but a new update gives you the power to set up a virtual card number you can use just like a debit or credit card.
The keyboard I use the most on my Galaxy S4 is the Google Keyboard, and that's partly because of the custom themes I can play around with.
One of the most useful new features in iOS 7 is the ability to block phone calls, FaceTime calls, and text messages by blocking any phone number.
For some, the Galaxy Note 9's volume rocker doesn't have enough steps between silent and max volume. We all have different preferences for volume, and a higher number of steps would equal to more precise volume control. Good thing we can at least adjust this for the media volume.
Spoofed phone calls originate from one source that's disguising its phone number as a different one, and you probably get these calls all the time. Maybe they're numbers from your local area code or for prominent businesses, but the callers are just hijacking those digits to fool you into picking up. Turns out, making a spoofed call is something anybody can do — even you.
From time to time, you may need to locate the version and build number for a particular app on your iPhone or iPad, but it's not at all obvious where you can find the information. Well, there's more than one place to look on iOS 18 and iPadOS 18, but none are perfect solutions. Knowing each method will ensure you can always find any app's real version number.
Thanks to a newly discovered iOS exploit, a text message can now ruin your day. It will literally cripple your iPhone, and the worst thing is that anyone with a phone that supports double-byte unicode can do it to you. While it initially sounded like bullshit, we tried it out several times here, and to our surprise, it worked perfectly each time.
The iPhone XS, XS Max, and XR aren't the newest devices from Apple Inc., but all three have a serious problem in Messages. When sending a friend an SMS/MMS text rather than an iMessage, the phrase "Number changed to Primary" appears in front of every message. What gives? If this issue is driving you mad, there are a few tricks that may exterminate the bug until Apple gets around to issuing a patch.
By default, the Galaxy S9 and S9+ only have 15 media volume steps — in other words, there are only 15 increments between silent and full volume. That's usually fine if you're using your phone's speakers, but if you're wearing headphones, more fine-tuned controls would be helpful.
The art of persuasion is a very crucial characteristic that anyone can learn, and it has countless benefits. Whether it's at work, home, or in social situations, the ability to be veritably persuasive can have an unheralded impact on your daily life.
Do you blog on FeedBurner? Want some more subscriber hits to make your blog look more impressive? Take a look at this tutorial and learn how you can multiply your blog's number of subscribers.
Consistently used in many forms of physical training, the push up has been considered one of the best physical tests of muscular fitness and endurance. Namely known for its use in the military as well as other physically demanding activities such as boxing and the martial arts, the push up is necessary for any physical examination in which many struggle with.
Every key on a telephone keypad has its own sonic signature, a sort of calling card composed of two distinct tones: one high, one low. While it's easy to tell the difference between the individual pitches in a single row—see, for example, this article on using your cell phone as a musical instrument—, it's often difficult to differentiate between notes within the same column. Unless, of course, you outsource the work to a computer! Which is what Uruguayan hacker [Charlie X-Ray] recently set o...
If you need to call someone back in a hurry, don't bother redialing the number. In fact, don't bother digging through your phone app to tap on the number in the call log. Instead, use this simple trick to quickly redial the number, whether you have an iPhone or Android.
A lot of times, you'll come across an app, a game, or even a cool root mod that requires a certain Android version. The description will say Android 4.3 or higher required, or something to that extent, but not much help is offered beyond that. So to clear things up a bit, I'll show you how to easily find your device's Android version or build number below.
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 634th installment in their series of digital spreadsheet magic tricks, you'll learn how to build logical formulas for counting with criteria or conditional formatting so that the comparison is between text and text or numbers and numbers. Text-to-number comparisons (e.g., 2003 to "2003") do not yield matches. Learn h...
The first video is an elementary explanation of triangular numbers and a Gauss demonstration for the sum of the first 100 natural numbers.
Watch to learn how to count from zero to one hundred in French. Includes written-out words. Part 1 of 10 - How to Say the numbers from 0 to 100 in French.
Swyping is not just for letters anymore! In this tutorial, learn how to text numbers with super fast speed using your Swype app. Swype is a cool new way to send messages on your phone without ever taking your finger away from the screen. Check out this clip and Swype numbers, symbols, anything!
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 288th installment in their series of digital spreadsheet magic tricks, you'll learn how to count the number of characters or numbers in a text string with a formula that is case sensitive.
One of the advantages of an iPad over, say, an iPhone is that you've ample space with which to display and manipulate complex documents. As such, it's a natural fit for Apple's popular spreadsheet application, Numbers. In this video guide from Apple, you'll learn how work with tables, charts, formulas, photos and graphics using the Numbers app on your own iPad.
Check out this informative video tutorial from Apple on how to get started using Numbers '09. iWork '09, the office productivity suite from Apple, is the easiest way to create documents, spreadsheets, and presentations. Writing and page layouts are easy in Pages. Numbers gives you simple ways to make sense of your data. You'll captivate your audience with new and sophisticated features in Keynote.
Check out this informative video tutorial from Apple on how to use tables, color, images and fonts in Numbers '09.
Check out this informative video tutorial from Apple on how to format data values with the format bar in Numbers '09.