Looking for a primer on how to solve matrix problems using a TI-83 graphing calculator? See how it's done 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 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 big test).
Need to know how to calculate the slope of a line? This free video algebra lesson will teach you everything you'll need to know. 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 big test).
Compare fractions with inequalities! Watch this video lesson to see how. 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 big test). With this free math tutorial, you'll learn how to evaluate fractions using inequalities.
Want to find the domain of a function without graphing it? 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 to the Internet, it's easier than ever to follow in their footsteps (or just finish your homework or study for that next big test).
Looking for a primer on how to find and sketch the domain of a function z = f(x, y) in calculus? Learn how with this free video calc 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, it's easier than ever to follow in their footsteps (or just finish your homework or study for that next big test).
Looking for a primer on how to work with BRIEF probability density functions and continuous random variables in calculus? Learn how with this free video calc 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, it's easier than ever to follow in their footsteps (or just finish your homework or study for that next big test).
Learn how to use eigenvectors and eigenspaces for a 3x3 matrix in linear algebra. 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 big test).
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 big test). With this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, you'll learn how to determine the eigenvalues of 3x3 matrices in eigenvalues.
Calculate the angles formed between parallel lines and a transversal. This free video geometry lesson will show you how. 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 big test).
Studies have shown that if you eat cereal regularly you will have a significant lower BMI (body mass index). You will want to eat whole grain cereals, but you will definitely want to watch out for the labels on which ones you buy to make sure you have the kind that will actually help you shed pounds.
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 big test). With this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, you'll learn how to write a formal analytical proof of the quadratic formula.
In this how-to video, you will learn how to identify and control problems with Bermuda Grass. If you are worried with allergies, you should check if you are allergic to this particular grass. The seed heads produce the majority of it, but even the pollen produces these allergies. Regarding the water schedule, the grass needs water during the summer. If you have a fine textured soil, you should water about one time a week. If your grass is turning a blue-gray color, it might be lacking water. ...
Learn how to choose and care for poinsettias with Southwest Yard and Garden's John White. You will be taken through the typical height and specifications for poinsettias, as well as what to look for in the leaves and flowers. One of the most important parts of growing poinsettias is keeping to a specific schedule. Measuring the plants is also important as plants that are too tall or too short are undesirable. Remember to frequently water the plants, but be careful not to overwater. Also, keep...
This video explains the important difference between maintenance work and repair work when it comes to your car or automobile. The speaker in this video is the director of AAA's auto repair service; this offers a degree of authority to the video. This video is part of a series on taking care of your automobile. Maintenance is described to be a regular and scheduled event designed to keep your automobile running properly. Maintenance includes things such as changing your oil. There are two typ...
To make sure your car is healthy and up to par with required maintenance, you can use Ford's new SYNC system to get vehicle health reports for you car. It gives you vehicle diagnostics, scheduled maintenance, recall information, and more. You just need to go online to your owner's account and set up your reports.
You’ve decided to protest an unjust political system or organization. Make the most impact with these tips. Protest with courage, communicate with exiles and know your rights. If you disagree with a political system, concentrate your beliefs and opinion. Study famous dissidents like Ghandi and Martin Luther King.
Studying to be a nurse? Then here is a nursing how-to video that teaches you how to collect and label a urine specimen. Every nurse should know the basics of this technique, follow along and see how easy it is to do a urine collection and label it properly. These medical tips are sure to help you pass your nursing exam with flying colors.
Charles Sedlak helps you improve the sounds of your chords by studying the correct manner in which to position your fingers. Want to be a master guitar player? It all starts here.
Learn how to make a pen in which to easily conceal and retrieve test and exam answers by watching this how-to video. If you're too lazy to do your reading, or you don't think you have a prayer of passing, try a cheat sheet. Check out this video tutorial and learn how to hide answers or notes on a pen. Just remember, you're only cheating yourself by not studying.
James (The Amazing) Randi speaks on spoon/key bending and hidden picture reproduction. These were tricks pulled by Uri Geller to show he had psychic powers. Arthur C Clarke was one of many who spoke out against Geller and sought to distance the paranormal studies from Geller's bogus performances.
You no longer have to resort to a third-party email client on your iPhone to schedule messages to send whenever you want. Apple built the scheduling functionality into its Mail app, and it works with any email service you use in Mail, whether that's iCloud, Gmail, Yahoo, Outlook, or another service.
Apple unrolled an array of nifty iPhone features in iOS 15. One of the more valuable updates lets you group all your untimely notifications and view them throughout the day at only the times you choose.
The NCAA College Basketball Tournament, colloquially known as March Madness, is arguably the most exciting postseason format in US sports, and the team behind Thyng want to take advantage of the annual event with AR content.
Bacteria, viruses and other germs sometimes set off the immune system to overreact, producing a severe condition called sepsis. Sepsis is so dangerous that it is the leading cause of death of children across the world, killing a million kids every year, mostly in developing countries. Probiotic bacteria might be able to prevent sepsis and infections, but no large research studies have been done to find out whether that actually works. Until now.
Staphylococcus aureus is a widespread bacteria — about a third of us have it on our body right now — usually in our nose or on our skin. And it probably isn't causing an infection. But, about 1% of people who have Staphylococcus aureus present have a type that is resistant to the antibiotic methicillin.
Heart disease is the leading cause of death of men and women in the US. Over half a million Americans die from it annually. Atherosclerosis — a build up of plaque in the arteries — is a common feature of heart disease and can be caused by smoking, fats and cholesterol in the blood, diabetes, and high blood pressure.
The community of bacteria that lives in our gut has a lot to tell us. It can give clues to what we eat, the environment we live in, and diseases and disorders we may have. Now, scientists have linked these bacterial species to how we feel. A new research study found an association between women's gut bacteria and their emotions.
Sex makes the world go 'round, and when it does, so does gonorrhea. Finally some good news on the growing menace of drug-resistant gonorrhea — a large, long-term study shows a vaccine may work in reducing the incidence of an increasingly dangerous infection.
A new study casts real suspicion on the possibility of life on Mars. Why? It seems the surface of the planet may be downright uninhabitable for microbial life as we know it.
Add breathing in your house as another possible danger to your health. If your home is sick, it's possible you could get sick too.
Hospitals are places we go to get well, and we don't expect to get sick or sicker there. But a study from researchers at the Cleveland Clinic, Case Western Reserve University School of Medicine, and Cleveland VA Medical Center in Ohio found that hospital floors in patient rooms were frequently contaminated with healthcare-associated pathogens—often dangerous multi-drug resistant bacteria.
Japan is in the process of curbing its aging population and mature workforce. According to The Diplomat, the country's population has been declining at a steady rate. To meet future productivity demands in commercial and industrial sectors, local officials are turning to self-driving technology, including truck platooning, where three or five vehicles travel autonomously in a string formation. This practice, according to a study by MIT, can reduce fuel consumption by up to 20% (more about thi...
It feels like someone reached into your chest and squeezed. Your head throbs in unison with your heartbeat. Clammy dread coats your body in sweat. Whether you call 911 or someone does it for you, the ER is your next stop.
Using mathematical modeling, researchers suggest weather and warming created the "perfect storm" that drove the Zika outbreak in 2016.
Android 5.0 has a cool new feature called Priority Mode that allows you to silence your phone's ringer except for when certain people call you. It's something you'd enable right before bedtime, for instance, if you don't want to be disturbed unless it's someone important trying to reach you.
I rarely ever turn my desktop off. For starters, it takes a few minutes to boot up, which I hate, and secondly, putting the computer to sleep is perfectly adequate. You really only need to completely shut down your computer every once in a while.
Trying to focus on studying for your Stats final in the library but getting a serious ADD spell? Then make use of your time - while having a little fun with whoever else is in the library - by hacking into your computer's command prompt.
In this tutorial, we learn how to stop procrastinating to achieve your goals. Procrastination is an avoidance behavior that can indicate a deeper psychological disorder. To get out of putting it off, make a schedule for yourself! Figure out how long it will take you to finish tasks and then put the time you need to do these on your calendar. Next, create accountability so someone will make sure you are keeping up on your tasks. Also, find meaning in the tasks that you need to do and make them...
In this free video chemistry lesson from Salman Khan, we learn how to use acid-base titration to find the mass of oxalic acid. Whether you need help studying for that next big test or could just use a hand finishing your homework, you're sure to be well served by this video lesson. For more information, including detailed, step-by-step instructions, take a look.
Forget school boredom again… a mere paper clip will keep you entertained in study hall, all the time! This video will show you how to make a cool little jumping toy with a paperclip of any size. It's shaped like a triangle and jumps pretty far!
