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).
Need help in determining the amplitude and period of sine and cosine functions? This free video 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). With this installment from Internet pedagogical superstar Salman Khan's series of free...
Learn how to define the three fundamental trigonometric functions using a unit circle. 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 t...
New to Microsoft Excel 2010? Looking for a few good tips and tricks? Look no further. In this free video tutorial from everyone's favorite MS Excel guru, YouTube's ExcelIsFun, the 7th installment in his series of Excel 2010 video tutorials, you'll learn how to use Excel's new CONFIDENCE.T function to calculate the margin of error for a T distribution confidence interval.
New to Microsoft Excel 2010? Looking for a few good tips and tricks? Look no further. In this free video tutorial from everyone's favorite MS Excel guru, YouTube's ExcelIsFun, the 6th installment in his series of Excel 2010 video tutorials, you'll learn how to use the new NORM.DIST and NORM.S.DIST normal distribution functions. They have new screen tips to help you select the correct argument.
New to Microsoft Excel 2010? Looking for a few good tips and tricks? Look no further. In this free video tutorial from everyone's favorite MS Excel guru, YouTube's ExcelIsFun, the 3rd installment in his series of Excel 2010 video tutorials, you'll learn how to use Excel's new percentile function, PERCENTILE.EXC.
Are you looking for a way to make your Microsoft Excel formulas more efficient? If so, you're in the right place. With this free video lesson from everyone's favorite digital spreadsheet guru, YouTube's ExcelsFun, the very first installment in his "Excel Formula Efficiency" series, you'll learn about the basics of Excel's SUMPRODUCT function — why some people use double negative and why other use times one.
If you use Microsoft Excel on a regular basis, odds are you work with numbers. Put those numbers to work. Statistical analysis allows you to find patterns, trends and probabilities within your data. In this MS Excel tutorial from everyone's favorite Excel guru, YouTube's ExcelsFun, the 33rd installment in his "Excel Statistics" series of free video lessons, you'll learn how to use the AVEARGE, MEDIAN, MODE, PERCENTILE, QUARTILE and PERCENTILERANK functions to measure location.
video tutorial from ExcelIsFun, the 64th installment of his "YouTubers Love Excel" or YTLE series of free video MS Excel lessons, you'll learn how to Excel's D (i.e., database) functions such as DSUM, DAVERAGE, and DMAX.
Love Microsoft Excel? This clip contains a tip that just might induce you to. With this free video tutorial from ExcelIsFun, the 85th installment of his "YouTubers Love Excel" or YTLE series of free video MS Excel lessons, you'll learn how to isolate unique records with the OR function.
Love Microsoft Excel? This clip contains a tip that just might induce you to. With this free video tutorial from ExcelIsFun, the 74th installment of his "YouTubers Love Excel" or YTLE series of free video MS Excel lessons, you'll learn how to fix bad data with the CLEAN & TRIM functions.
Love Microsoft Excel? This clip contains a tip that just might induce you to. With this free video tutorial from ExcelIsFun, the 86th installment of his "YouTubers Love Excel" or YTLE series of free video MS Excel lessons, you'll learn how to create a TRUE/FALSE formula to change the function of pivot table as well as how to filter one.
Love Microsoft Excel? This clip contains a tip that just might induce you to. With this free video tutorial from ExcelIsFun, the 51st installment of his "YouTubers Love Excel" or YTLE series of free video MS Excel lessons, you'll learn how to use a VLOOKUP function inside a Text Formula to add a variable word (e.g., Annual, Semi-Annual, Quarterly, Monthly, or Weekly).
In this video tutorial, viewers learn how to use GripZies non-slip stickers when making hair bows. They are deigned to take clips that you use and make them grip. These grip stickers are designed to form to any shape or thickness within 1/8". To apply it on a clip, remove the sticker strip. Then open the clip and put the sticker strip in with the sticky side up. Hold it in place and then close the clip. This video will benefit those viewers who use hair clips to hold their hair and would like...
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 317th installment in their series of digital spreadsheet magic tricks, you'll learn how to extract data (specifically, a substring from string) using the MID Function.
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 217th installment in their series of digital spreadsheet magic tricks, you'll learn how to create a simple If function formula that uses a logical test that involves text (instead of a number).
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 151st installment in their series of digital spreadsheet magic tricks, you'll learn how to calculate the days, months or years between two dates using Excel's undocumented DATEDIF function.
In this video tutorial, viewers learn how to make a creamy chocolate oatmeal non-dairy milkshake. This shake has low fat, low calories and contains cholesterol. The ingredients are inexpensive. The ingredients required for this shake are: oatmeal, cocoa, banana and soy milk. Add all the ingredients into a blender and add 5-6 ice cubes. Then turn on the blender and blend it until the mixture is creamy and smooth. Users are also able to add in their own ingredients or substitute some of the ing...
New to 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 Excel tutorial from ExcelIsFun, the 101st installment in their series of digital spreadsheet magic tricks, you'll learn how to use IS functions (ISBLANK, ISERR, ISERROR, ISLOGICAL, ISNA, ISNONTEXT, ISNUMBER, ISREF &ISTEXT).
New to Excel? Looking for a tip? How about a tip so mind-blowingly advanced as to qualify as a magic trick? You're in luck. In this Excel tutorial from ExcelIsFun, the 9th installment in their series of digital spreadsheet magic tricks, you'll learn how to use Excel's EXACT function to check to see whether two text strings are equivalent and whether or not they have the same case.
New to Excel? Looking for a tip? How about a tip so mind-blowingly advanced as to qualify as a magic trick? You're in luck. In this Excel tutorial from ExcelIsFun, the 203rd installment in their series of digital spreadsheet magic tricks, you'll learn how to use the SUMIF function to sum with specific criteria.
When kicking a soccer ball to achieve the best kick you do not want to kick with your toes, you want to kick where your shoe laces are. To kick the ball you don't want your non kicking foot to far behind the ball because this leads to a toe kick. In fact, you want your non kicking foot to be right beside the ball so that when your kicking foot goes to kick the ball it is not a completed kick. This causes the lace part of your shoe to kick the ball. When kicking with the top of your foot it sh...
After you launch Outlook 2010 in your computer, you will see the Ribbon strip immediately in the main window. The button for writing a new e-mail is separated from a button for creating new items in the calendar, contact list or task manager. An independent Quick Steps section offers functions allowing you to move a message into different folders, to save it into a calendar as a meeting reminder, to quickly forward it to a chosen person or to more people and to forward it with a FYI note. If ...
Photoshopuniverse teaches you how to use the Dodge and Burn tools in a non destructive manner, in Adobe Photoshop. Dodge makes things lighter. Burn does the opposite. The problem is that this is destructive operation. Use the Brush tool at 20% opacity. Create a new layer with 50% grey. Change the layer's mode to Overlay. With the black color you will make things darker and with the white lighter. To view the changes, review the overlay layer. To correct a mistake on this layer, use a brush wi...
There is a new function in MS Excel 2010 called ‘Sparkline’ which helps you quickly find trends associated with a set of data. To create Sparkline, you can go to ‘Insert’ tab and then select ‘Sparkline’ section and then select the graph type. After you enter the data range and location range, the Sparkline will show up indicating the trend based on the data range you identified earlier. You can change the types and styles of your Sparkline easily. As the video demonstrates, whenever you use E...
This is a great tutorial on making wonderful little artsy butterflies with your own two hands! They're sparkling butterflies, which you make with fantasy film, a butterly image, permanent ink that dries on non-porous surfaces, craft iron, acrylic stamps, and a non-stick craft mat.
Check out this DIY video tutorial from Curbly, the best place to share pictures of your home, find design ideas, and get expert home-improvement advice.
Welcome to a tennis lesson from FuzzyYellowBalls, the the best place to learn how to play tennis online. Our free video tennis lessons teach you how to play the game in a new way that combines technical analysis, visual learning, and step-by-step progressions.
Welcome to a tennis lesson from FuzzyYellowBalls, the the best place to learn how to play tennis online. Our free video tennis lessons teach you how to play the game in a new way that combines technical analysis, visual learning, and step-by-step progressions.
Designing a data mapping project in MapForce? The output functions in MapForce let you preview textual or XML output, save it to disk, or look at SQL statements for database output before committing them to the database server. Learn how in this tutorial.
In this episode of Full Disclosure we are explaining the website attack known as Cross-Site Scripting (XSS). Cross-Site Scripting is a type of security vulnerability that affects web applications that do not sanitize user input properly. This kind of vulnerability allows an "attacker" to inject HTML or client side script like JavaScript into the website. Cross-Site Scripting is most commonly used to steal cookies. Cookies are used for authenticating, tracking, and maintaining specific informa...
The Windsor knot, also (wrongly) known as the "Double-Windsor" (a non-existent enormous 16-move knot), is the most well known knot in the world. The Windsor is a large, symmetrical, self-releasing triangular knot. The tie was named by Americans in the 1920-30's after the Duke of Windsor. The Duke was known for his fondness of large triangular tie knots, but didn't in fact invent this particular knot. His secret was a specially tailored tie with an extra thickness of material.
Ali Alami with Fit Climb demonstrates how to stop yourself using an ice axe when mountaineering. Arresting yourself is important if you or a partner on a rope team trip or fall when climbing. To practice hold your ice axe across your chest and slide down a hill on your backside. To arrest yourself roll to whatever side the pick is positioned on, digging the pick into the mountain and rolling your body completely on top of it. Keep your feet above the snow until you are almost at a stop and th...
Watch this in-depth video tutorial on how to animate LEGOs for stop motion animated brickfilms. This is a detailed peek behind the scenes of stop-motion animation from the director of the "Circle Circle Dot Dot" music video, Blunty3000.
Because it sources a majority of its vital data from actual drivers on the road, Waze is easily one of the best navigation apps to use if you prioritize safety. Benefits such as crowd-sourced traffic data, police trap locations, and road work avoidance, when combined, help you anticipate traffic conditions with unprecedented accuracy and make adjustments accordingly.
Welcome back to another tutorial on functions. Last time, we looked inside memory to see what functions looked like in the flesh and all that Assembly was pretty nasty. At least you have some exposure to it. This time, we will be examining how functions work with the stack.
In the last tutorial, we learned how to make functions and how they work on the high level. This time, we will take a peek under the hood again, stare deep into its soul and see its ugliness face to face to see how it works in the lower level.
Man-in-the-Middle attacks can prove to be very useful, they allow us to do many things, such as monitoring, injection, and recon.