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 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 calculate the US unemployment rate given the raw data.
This video walks you through the steps of solving slope and rate of change. This excellent video shows you a clean blackboard, with the instructors voice showing exactly what to do. Don't fret, any question you may have, will be answered. Watching this video will make you feel like your back in the classroom but rather comfortably from your home.
When it comes to your cell phone, do you feel like you’re paying more and more for less and less? Get the upper hand with these tips. You will need:
In this tutorial, we learn how to find your recovery heart rate. First, get your heart rate up by doing some sort of activity that you enjoy doing. After you have your heart rate up, figure out how many beats you have in fifteen seconds. After you have counted this, multiply it by four. Now, sit back and relax for two minutes exactly. Next, time another fifteen seconds with your stop watch and count how many beats your heart has. Multiply this number by four, then subtract the two numbers. Af...
Don't worry, this recipe isn't for the frothy, so-called "chocolate mousse" that's made from oil and seawater. This is the delicious and sweet variety of chocolate mousse that's perfect for a cake filling or any dessert. This recipe calls for Ghirardelli chocolate and it's great for chocolate wedding cakes. It's the best filling possible because it firms up when cold, due to the butter in the mixture. This helps hold the cakes together more firmly. It softens back up at room temperature, but ...
In this tutorial, we learn how to choose and use a walking stick. Find a large and firm stick that you find, then make sure it's dried out. Next, you will shave down the wood so that it doesn't give you blisters on the inside of your hand. After this, you will use hot air to bend the stick so that it is straight instead of crooked. Cut the stick to the size you need depending on how tall you are. The top of the stick will be jointed and have a cover over it so it's comfortable to grab. You ca...
In this video, we learn how to cook with eggplant. A good eggplant has smooth skin and is firm, but slightly soft. Different types of eggplants will taste differently, so you can cook them in different recipes. First, peel and salt your eggplant, then let it drain and press it for 90 minutes before you cook it. Add olive oil onto the top of it, then cook the eggplant on a hot grill. When it's finished, this makes a great side to any meal. You can incorporate eggplant into a number of differen...
Tending to your body with love (and frequent bouts of exercise) is a lot like being affectionate with your children: the more attention you pay to building a lean body now, the more likely it is that it'll pay you back with the same care later on in life.
In this tutorial, you can learn to apply a common runway makeup look aka "Panda Eyes." Products used:
Less than a month after launching its augmented reality Swim Goggles, wearables startup Form is preparing to add a major new feature for aquatic athletes.
Pandora has a simple rating system that works by hitting either the thumbs-up or thumbs-down icon on a track that's playing on your station. If you choose the former, the song you like along with others similar to it will play with more frequency, while selecting the latter will prevent that song and others like it from playing in your station moving forward.
In the changes to the App Store Review Guidelines for iOS 11, Apple has announced that developers must use the App Store rating API. The API was introduced in the iOS 10.3 beta period as something that would eventually become mandatory. Now, Apple has followed through on that promise.
Can't figure out how to give songs star ratings anymore in your iPhone's Music app? That's because Apple removed the ability to do so from the new iOS 10 update, just as I expected they would. It's still possible to rate songs, it's just very irritating.
On June 5th, robotics firm Aldebaran and SoftBank Corp., the Japanese giant that owns Sprint (and possibly T-Mobile), unveiled an emotion-sensing robot named Pepper.
This video shows you some of the new features in World of Warcraft: Cataclysm, namely the rated battelgrounds and new gear. You can earn some new special items through honor points or conquest points, and here is how you can earn both.
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 64th installment in his "Excel Finance Class" series of free video lessons, you'll learn how to chart assumed constant growth rate changes in Excel.
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 50th installment in his "Excel Finance Class" series of free video lessons, you'll learn how to demonstrate the inverse relationship between bond rate and price with a scater chart.
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 54th installment in his "Excel Finance Class" series of free video lessons, you'll learn how to calculate interest rate risk or IRR.
In this free video economics lesson from Salman Khan, you'll learn about international exchange rates and why they vary. For all of the relevant details, and to learn more about the causes and effects of currency value fluctuation, watch this clip.
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 12th installment in his "Excel Finance Class" series of free video lessons, you'll learn how to calculate average and marginal tax rates with Excel.
If you're driving a commercial vehicle or doing a lot of driving for a company, there are ways to claim deductions on your tax return for actual vehicle expenses. In this video you will learn how to calculate your standard mileage rates to determine how much you will be getting on your tax refund if your employer is not reimbursing you for gas or if you're running a small business.
The concept of percentage growth or decline is confusing to a lot of people. If you're one of those people, watch this video. It breaks down how percentage change and growth rates work and how you can calculate them from any pair of numbers.
In this video, we learn how to back out the tax from a receipt. If you have a receipt where you see how much you paid and know the tax rate, except you want to figure out the cost of the item before the tax. First, take the cost of the item including tax and what the tax rate is. To figure out the original price, let x equal the cost of the item. Add the tax to the cost of the item which will equal the cost you paid. Perform the equation 1x+(tax rate)= (total price). After you figure this equ...
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 623rd installment in their series of digital spreadsheet magic tricks, you'll learn how to see the pain that pay day loans inflict on people using Excel. Learn how to calculate APR (Annual Percentage Rate), EAR (Effective Annual Rate), an Amortization Table and the EAR for a loan that takes a fee out up front. Learn ...
Love Microsoft Excel? This clip contains a tip that just might induce you to. With this free video tutorial from ExcelIsFun, the 36th installment of his "YouTubers Love Excel" or YTLE series of free video MS Excel lessons, you'll learn how to use the VLOOKUP function to determine an increase in salary based on a rating scale.
In this video tutorial the instructor shows how to derive the formula to compute interest compounded annually. He starts with explaining the basic concepts like principle which is the amount you borrow and the rate of interest or annual percentage rate (APR), which is the rate at which you pay the interest up on the borrowed principle. He shows that the amount after the end of one year is amount A = P(1+APR),and he goes on and generalizes how to compute it for n years. This video shows how to...
Horrible at saving money? Creating a savings account to put aside and accumulate money is easier with these strategies.
This Halo Mapping Tools (HMT) tutorial will show you how to make weapons have a faster ROF (Rate of Fire) in Halo PC.
If you're considering purchasing Apple's new 2020 iPhone SE, which brings many modern components into the compact body of an iPhone 8, you should know what its dust and water resistance rating means. Just how dirty and wet can the iPhone SE get without breaking any functionality?
The long guarded veil of mystery surrounding Magic Leap for years was finally lifted last year when the company revealed its Magic Leap One device.
When it comes to resistance to the elements, Samsung seems to believe in the old saying "if it ain't broke, don't fix it." They've carried over the IP68 rating under IEC 60529 that was first found on the S8 all the way to their tenth-anniversary flagship, the Galaxy S10. While this certainly sounds great on paper, it's natural to want to dig a little deeper and find out what the rating means.
According to Google's new Android ecosystem transparency report, you're eleven times more likely to be infected by malware if you're running Android Lollipop (5.0) as opposed to Android Pie (9). The same report shows that if you sideload apps, you're almost seven times more likely to be infected than if you stick to Google Play as your app source. All of the data provided in the report is quite interesting, but there's a clear pattern among malware-infected users.
Researchers have developed a new method that harnesses the power of augmented reality to detect a patient's heart rate using a Microsoft HoloLens and computer vision.
Augmented reality sells, but who's buying? Over the past week, two companies made executive hires to capitalize on the growth of augmented reality as a service to sell to other businesses. Meanwhile, two companies joined forces to offer augmented reality tools to headset makers and content providers.
Some drivers give Tesla's Autopilot update released this week rave reviews, after version 8.1 has taken longer than expected to live up to Elon Musk's "smooth as silk" Tweet from earlier this year.
One inventor wants to bring augmented reality to internet radio and home audio speakers. Meanwhile, a leading consumer electronics company has opened up access its deep learning tools for building augmented reality apps. In addition, analysts examine how augmented reality will impact the design and construction and profile the top developers in augmented and virtual reality.
Google quickly learned over five years ago electric vehicles (EVs) were the powertrain of choice for its then fledging driverless car program and the industry has since followed its lead.
The world of investment and finance can be labyrinthine in its very nature — and even more complicated in regards to augmented and mixed reality. While these new emergent technologies are teeming with explosive levels of unrealized potential, there's still a big layer of uncertainty in terms of return — but these investors aren't afraid to take the leap.
Your heart is constantly work for you, yet you think nothing of it—and Samsung wants to change that. They stuck a dedicated heart-rate monitor on the Galaxy S5, they're putting one in the upcoming Note 4, and they're bound to slap one in every Galaxy device thereafter.
Anyone can play chess if they have the right training and in this three part video series The Grob Chess Club shows you how to move up to Class E (rated 1000-1199). This tutorial is great for everyone from beginners through people rated under 200.
