The first problem that is show is exponential decay. First you will need to create a table with hours and substance left. The next step is to find the trend by noting that we are left with a certain percentage of the substance. One you have the trend you will use this to calcu ...more
Need a little bit of help figuring out how to solve word problems involving the perimeter of a rectangle? See how it's done with this free video math lesson. From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have ...more
See how to find the domain and range of a function implied by a word problem with this free video math 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 In ...more
This math lesson is designed to provide middle school teachers with free resources for teaching linear equations. Students can use this free resource to better understand how to solve simple equations while preparing for the upcoming CRCT test. The above video demonstrates ho ...more
Learn how to solve geometry word problems. For example, how would you solve the following problem? A prism has a square base a prism has a square base with a side of 3 the volume is 90 a square pyramid has the same width, base and height as the pyramid, what is the volume? V ...more
Need to know how to solve algebraic word problems involving age? 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 the ...more
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 ...more
In this Education video tutorial you will learn how to solve a word problem that involves proportions. To solve such problems you got to express the scenario in proportions. For example, in the problem, ‘Jacob ran 10 miles in 80 minutes’; this rate can be expressed as 10miles/ ...more
See how to apply exponent rules to simplify and solve equations with this free video math lesson from Internet pedagogical superstar Simon Khan. From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to ...more
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 ...more
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 ...more
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 ...more
See how to solve world problems involving the Pythagorean theorem in geometry with this free video math lesson from Internet pedagogical superstar Simon Khan. From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds hav ...more
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 ...more
Need some help figuring out how to tackle application problems involving volume? 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 ...more
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 installment from Internet pedagogical sup ...more
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 ...more
Need help figuring out how to unpack and solve word problems involving quadratic equations? Learn how with this free video algebra lesson. From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodi ...more
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 ...more
As you might guess, one of the domains in which Microsoft Excel really excels is business 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 30th installment i ...more
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 ...more
Looking for instructions on how to evaluate numbers raised to fractional powers? Learn how with 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 ...more
Exponent of a number is nothing but the number multiplied to it self the exponent number of times. So five squared it equal to five multiplied to it self. Now when an exponential number is divided with another such number the result is the number raised to the different of the ...more
This video demonstrates the quotient rule as applied to exponential expressions that appear in the form of, to use the word loosely, a fraction. The name, "quotient rule", refers to the fact that it applies to expressions which are divided by other expressions. The video begin ...more
When you see a problem involving a fraction, don't freak out. Dividing fractions is actually fairly easy once you learn the simple formula of how to do it. Math can be scary, but don't give up. Follow these simple steps, and soon you'll be dividing fractions like a pro. Step ...more
The adoption process can be long and taxing. Start off right by learning the basic procedure. Step 1: Learn the requirements Find out the qualifications to adopt. In the U.S., adoption laws vary from state to state. For international adoptions, check federal regulations and th ...more
It's been a great year for video games, kind of. Sure, the AAA release lineup has been a trainwreck and hacking has been a bigger problem than ever. But two things have happened involving the federal government that have made video games more legitimate in the United States th ...more
Every day of the week, WonderHowTo curators are hard at work, scouring the web for the greatest and most inspiring how-to videos. Every Friday, we'll highlight our favorite finds. Make your own G-spot & protect your car It's not what you think. The G-spot here does not refer ...more
If you’re unfamiliar with League of Legends, you’re either not into PC gaming or you haven’t spent much time on the internet. Riot Games officially released League almost two years ago, and since then it’s become a huge hit. In fact, the Santa Monica based company recently ann ...more
Do not ever laugh or shrug off what medical bottles or boxes give you as side effects or warnings. All of the side effects and warnings are put on the medication for a purpose. Priapism is a topic we all laugh or giggle about but it is a very serious emergency problem. Warnin ...more
No time for elaborate practical jokes this April Fool's? Not a problem, it's 2011—meaning, apps can do just about anything these days. Measure beauty, check for STDs, even fix late night drunken social media stupidity. So why not pranks? Below, 10 digital solutions for your Ap ...more
It was brought up a while back in a Community Call to Arms that *math* is handy for encryption (and let's face it, everything) so let us go over things you just have to know. "In its simplest meaning in mathematics and logic, an operation is an action or procedure which produc ...more
You walk over to your laptop, wiggle your mouse to wake up the screen, then fire up your browser to come visit Null Byte. Catching the article about Anonymous and how they presumably will not take down the Internet, you find yourself wondering... how would someone take down th ...more
WonderHowTo is made up of niche communities called Worlds. If you've yet to join one (or create your own), get a taste below of what's going on in the community. Check in every Wednesday for a roundup of new activities and projects. First off, thanks to all of our moderators ...more
Dungeon Defenders is the most exciting craft game on the Fall 2011 release schedule. I got a chance to play it at PAX in August and interviewed developers Trendy Entertainment last month. After more than a year of publishing difficulty and delay, the game finally came out on P ...more
Night People: A Bad Vibes Label Profile Shawn Reed is one of our favorite people, not content with making music with Wet Hair, he also runs 'Night People' - an almost complete DIY record and tape label operation in Iowa - a label which has consistently put out and introduced ...more
INTRODUCTION In this world of Internet era, almost everyone wants to create theirs own web presence by either hosting their own blog, articles, photos, videos, reviews, etc etc . But some people choose their own way and decide to have something bigger! What is it? Its a websi ...more
In our media-enriched world, past and present, SCRABBLE has made a name for itself, whether deliberately, subconsciously, or influentially. You may have a read a book that had the popular word game within a chapter, watched a movie that showed your favorite characters bringing ...more
By Louis Tharp RealJock.com is pleased to present this first in a series of articles on improving your swimming form and performance from Louis Tharp, out gay man, swim coach for the Army Triathlon Team at the U.S. Military Academy at West Point, and author of the new book Ov ...more
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 i ...more
Apple's iOS 13 has been available for beta testing since June, and the stable release pushed out to everyone on Thursday, Sept. 19. To help you make the most out of iOS 13 for iPhone, we've rounded up everything you'll want to know, whether a colossal feature, small settings c ...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
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
I wanted to post a Live Photo to Instagram of me in front of that donut that got eaten next to the CVS on Houston St. in New York, between Mott and Mulberry. The only problem is that Live Photos aren't supported on Instagram, so I couldn't just tap and post it to my feed witho ...more
Not content with bringing the first untethered mixed reality headset to market, Microsoft wants to expand their Windows Holographic operating system beyond HoloLens into vastly more robust technologies. Through partnerships with other hardware manufacturers, Microsoft is hopi ...more
The cost of movie tickets in North America are currently at an all-time high, but with so many great films coming out, just not going doesn't seem like a probable option. Luckily, there's more than a few resources on the Internet to help you mitigate some of those costs. Deal ...more
Websites are often misconfigured in ways that allow an attacker to view directories that are not ordinarily meant to be seen. These directories can contain sensitive information such as private credentials or configuration files that can be used to devise an attack against the ...more
In this series, we are going to get you to the edge of building your own cloud-based, cross-platform augmented reality app for iPhone, Android, HoloLens, and Meta 2, among other devices. Once we get the necessary software installed, we will walk through the process of setting ...more
In the UK, 20 percent of divorce filings include the word "Facebook." You may think you're being slick by using the site to chat with your ex, but the problem is that Facebook saves everything, and I mean everything. All someone needs is your login information and they have ac ...more
You may be familiar with image-based or audio-based steganography, the art of hiding messages or code inside of pictures, but that's not the only way to conceal secret communications. With zero-width characters, we can use text-based steganography to stash hidden information i ...more
You can feel it in your bones. You may die if you don't get this phone. There's just one problem — the price. Suddenly, you come across what seems like manna from heaven. That very device, at a deeply discounted rate, can be yours. The only thing that makes you pause is that ...more
Give an 18-month-old a shoe, check back 10 minutes later, and it's a very big maybe he will have it on his foot. But give him your smartphone, and in a mere five minutes, he can take 100 pictures of the carpet, send weird messages, and delete essential apps. Imagine what your ...more
When it works, Android's Smart Lock feature is incredible. There's no need to enter your PIN when your phone "knows" it's in your hands — just unlock and go. But Smart Lock, particularly its Trusted Places feature, can be finicky sometimes. Most of Smart Lock's features are r ...more
App updates bring new functionality, but they can also break old features or introduce changes no one wants. Unfortunately, if you're holding onto an older app version because you don't want to accept the update, it becomes a lot harder to keep the rest of your apps updated. ...more
When building anything of a social nature, be it a local roller derby or softball team, a club dance night for chiptune, or building new technology markets, the community around those ideas are an important factor in helping these things not only come into existence but to gro ...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
Many new parents will tell you how hard it is to name a baby. Some have stories of how they knew what the name of their child would be from before conception, only to change their mind when they were born. Sometimes new babies can go weeks without a name since there is an endl ...more
Though many students spend four years of high school learning a foreign language, most of us probably retained very little. Chalk it up to the carelessness of youth, but chances are you've since been in situations or places that left you wishing you paid more attention in clas ...more
Hello there, people. Today, I am going to show you how to extract the essence from a useful plant, using either alcohol or olive oil. This is how you take a plant and turn it into a useful (and preservable) medicine. For those of you who know nothing about herbal medicine, let ...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