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 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 tutor...
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 and Mr. Excel, the 23rd installment in their joint series of digital spreadsheet magic tricks, you'll learn how to use the NETWORKINGDAYS.INT, RANK.AVE, PERCENTILE.EXC, CONFIDENCE.T, T.DIST, T.DIST.RT and T.DIST.2T functions in MS Excel.
Whether you're interested in learning Microsoft Excel from the bottom up or just looking to pick up a few tips and tricks, you're in the right place. In this tutorial from everyone's favorite digital spreadsheet guru, ExcelIsFun, the 42nd installment in his "Highline Excel Class" series of free video Excel lessons, you'll learn ten tricks involving the LOOKUP function:
Whether you're interested in learning Microsoft Excel from the bottom up or just looking to pick up a few tips and tricks, you're in the right place. In this tutorial from everyone's favorite digital spreadsheet guru, ExcelIsFun, the 22nd installment in his "Highline Excel Class" series of free video Excel lessons, you'll see a lifetime savings plan using the FV and PMT functions and other formulas. See how to calculate how much you will have at retirement from a basic savings plan. Then see ...
Whether you're interested in learning Microsoft Excel from the bottom up or just looking to pick up a few tips and tricks, you're in the right place. In this tutorial from everyone's favorite digital spreadsheet guru, ExcelIsFun, the 11th installment in his "Highline Excel Class" series of free video Excel lessons, you'll learn how to use comparative operators; logical TRUE/FALSE formulas, IS functions (ISTEXT, ISNUMBER, ISBLANK, ISERROR, ISNONTEXT); IF functions (1 of 2 words in a cell, 1 of...
Are you looking for a way to make your Microsoft Excel formulas simpler, faster and 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 how a custom function (i.e., a user-defined function) can speed up calculations.
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 10th installment in his "Excel Business Math" series of free video lessons, you'll learn how to add and subtract using the SUM function.
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 47th installment in his "Excel Statistics" series of free video lessons, you'll learn how to use the NORMSINV function for critical values and the NORSDIST function for p-values. Compare building confidence int...
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 90th installment in their series of digital spreadsheet magic tricks, you'll learn how to write a formula that will return multiple items when there are two criteria for the data extraction. Also see an INDEX and MATCH functions formula that uses the SUMPRODUCT, COUNTIFS, IF, ROWS, INDEX, MATCH, SMALL, IF, and ROW fu...
Love Microsoft Excel? This clip contains a tip that just might induce you to. With this free video tutorial from ExcelIsFun, the 44th installment of his "YouTubers Love Excel" or YTLE series of free video MS Excel lessons, you'll learn use 4 different tricks to convert a text formula or function to a number. Also see how to convert text to numbers. Learn to love digital spreadsheets more perfectly with the tricks outlined in this free Microsoft Office how-to.
Given a equation of a line, you can graph the line. A system of equations is nothing but equations of more than one line. In a single equation all the points that lie on the line, satisfy the equation of the line. Similarly a solution of a system of equations is points that satisfy each and every equation of that system. A system of equations can have a single point as solution when the lines intersect at a common point, or have a unlimited points in solution when the lines overlap on each ot...
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 119th installment in their series of digital spreadsheet magic tricks, you'll learn how to determine if a particular item is in a list of items using two formulas: a ISNUMBER & MATCH function formula & a COUNTIF function formula.
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 221st installment in their series of digital spreadsheet magic tricks, you'll learn how to use the LEN function to count charters including spaces. Then see how to use the LEN, SUBSTITUTE, and TRIM function to count characters but not unwanted spaces.
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 219th installment in their series of digital spreadsheet magic tricks, you'll learn how to create a dynamic range with the OFFSET function so a macro to create a pivot table will work even when new records are added.
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 97th installment in their series of digital spreadsheet magic tricks, you'll learn how to use the AVEDEV function to measure the spread (variation) in a data set. Also see the STDEV function and learn how to measure whether a mean represents its data points fairly.
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 194th installment in their series of digital spreadsheet magic tricks, you'll learn how to use the SUM, VLOOKUP and ROUND functions to create a gradebook based on percentage scores that will calculate grade for you automatically. See also how the VLOOKUP and the percentage format can deliver the wrong grade when you dont use the ...
This video shows you how to generate random numbers with decimals in Microsoft Excel.When generating random numbers you must have a lower and upper limit, so that your number will be generated between the two limits. For a number without decimals, you only have to use the "=randbetween" function. If you want to use decimals, you will have to use a different but similar function. Start by typing "=rand()". Next, you multiply this by the difference between the limits and add the lower limit. Fo...
Microsoft Excel is used to store and work on data by storing them in rows and columns in tables. You can use a macros to check if a cell is empty. To do this you have to know two short cuts. The first is the VBA Window short cut which is Alt + F11 and the other one is View Macros short cut which is Alt + F8. So open an Excel spread sheet and insert some data into a small table. Now create a macro for this tutorial. You can use and IsEmpty() functions to check if a cell is empty. Use this func...
This video tells us the method of interpreting derivatives of marginal cost and revenue. If C(x) is the cost of producing x units of a product, C(400) would be the cost to produce 400 units. Now marginal cost is the cost of producing one unit which is equal to the derivative of the cost function or C'(400) which is equal to limit of h tends to zero or lim h->0 [lim(400+h)-lim(400)]/h which is approximately equal to [lim(401)-lim(400)]/1. Similarly, if R(x) is your revenue function, marginal r...
This video is a Hobby Estore Video Tutorial that will show you how to repair or replace the ACME remote start system in your radio control cars. You will know you need to take this step when your RC car doesn't start or when you push the start button and all you hear is a clicking noise. The first step is to remove the remote start system and this can be accomplished by taking the top cover off of the car and then unhooking the exhaust hose from the remote start system. Then take the cover of...
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 534th installment in their series of digital spreadsheet magic tricks, you'll learn how to use the OR and WEEKDAY functions to create a logical true/false formula that will automatically apply formatting to dates that are either weekends or holidays.
Ken Appleby demonstrates how to mask a domain with GoDaddy. Masking a domain enables the domain owner to customize what appears in the viewer's address bar. First, log in to your GoDaddy account. Then, click on the domain manager function located on the left hand side of the page. Next, choose the domain that you would like to work with in the domain name list. Click the forwarding option. In the next window, click on the masking tab. Tick the enable masking function. Choose a masking title. ...
This video teaches you how to create a system repair disc in Windows 7. Go to Start-All Programs-Maintenance-Create a System Repair Disc. This will help you boot Windows to repair or recover your system after a serious error. Once you click that, Windows 7 will prompt a new window telling you to put a blank disc in your disc drive. Make sure that you do have a blank DVD to insert, for the Windows 7 to create that System Repair Disc. Wait for the process to finish and you have yourself a syste...
By watching this lyndapodcast tutorial you learn how to use the quick file function in Microsoft OneNote 2010. This feature eliminates to regroup information, so you can send notes obtained from multiple sources to a selected page of a note book. This method called quick filing lets you send the information from the program that your using directly to One Note seamlessly.
how-to Backup and Restore Your Bookmarks in Internet Explorer ClearTechInfo shows you how to backup and restore all your precious bookmarks in Internet explorer. These bookmarks can be used on another computer or can be restored onto the same computer if and when the bookmarks get erased or corrupt.
This video describes how to use excel basics formulas to do math. Shows how to create new formulas so that you can complete math functions and how many formulas in excel work. Each step is displayed step by step with an explanation on what is going on so it may be understood. Keyboard short cuts among other tips and trick to help you navigate through microsoft's excel. After this video you would be able to use excel to do a variety of functions to complete math equations.
In this three-part video tutorial, learn how to manage loans with an amortization table in Excel. The three parts of this video go over the following:
New to Ubuntu Linux? This computer operating system could be a bit tricky for beginners, but fret not, help is here. Check out this video tutorial on how to install GRUB 2 and apply themes on Ubuntu Linux.
New to Ubuntu Linux? This computer operating system could be a bit tricky for beginners, but fret not, help is here. Check out this video tutorial on how to manage CD/DVD images with ease on Ubuntu Linux.
In this tutorial, Mike Lively of Northern Kentucky University gets you started in getting the Adobe Air Content Management System up and going.
Mike Lively of Northern Kentucky University demonstrates how to create a 3D plotting program for the sinc math function. Part 1 shows how to convert a Flash Package into a Flex application. Part 2 shows how to get the sinc function running and add different textures. Create a cool interactive 3D plotter in thie Adobe Flex Builder 3 and Papervision3D tutorial.
In this video tutorial, viewers learn how to restore a crashed system in Windows 7. This task is very easy, fast and simple to do. In Windows 7, users are able to create a repair disc. To do so, open the Start menu and type "system repair" in the search bar and select "Create a System Repair Disc". Then just follow the instructions to create the repair disc. It will take less than 5 minutes. This video will benefit those viewers who use a Windows 7 computer, and would like to learn how to res...
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 graph and solve linear systems using substitution in 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). With this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, you'll learn how to graph and solve a system of linear inequalities in algebra.
This video shows you how easy it is to use system restore on Windows XP and Vista to bring your computer back to life. System restore takes your computer back in time to a point before it had errors or problems. Go to the start menu, all programs, accessories folder, system tools, and system restore.
This gem, an extensive cinematography video tutorial on Motion Control systems by Mark Roberts Motion Control. In some ways this video is an advertisement for the systems they create, but there is a lot of useful knowledge shared that transfers to planning, shooting, and compositing with lesser tools. This instructional video explains what motion control is and the features of the Milo Motion control system rig. A ton of fantastic commercial and music video creative work is shown, with shot b...
Sprinkler Daddy's Sean Stefan explains automatic sprinkler systems in a nutshell. You'll see how to better install automatic sprinkler systems with a little sprinkler knowledge. It's a lot easier to envision yourself installing your own underground sprinkler system if you know basically what's involved. So, to make your landscaping needs less in the future, and your grass beautiful and greener than ever before, just watch this educational piece.
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 and Mr. Excel, the 52nd installment in their joint series of digital spreadsheet magic tricks, you'll learn how to use the INDEX function to turn a Ctrl + Shift + Enter array formula into just an Enter array formula. Avoid Ctrl + Shift + Enter by using the INDEX function and a blank as the row argument.
Allow for your community to grow and expand by adding in a private messaging system to your website. Even if you're not experienced with PHP or MySQL, this tutorial walks you through the process of setting up the messaging system.
In this tutorial, we learn how to operate the audio system of a 2010 Prius. Every Prius comes standard with a 6-speaker AM/FM tuner with a single CD player. There is an 8-speaker with 6-disk changer available as well. The top of the line comes with a premium auto system and a navigation system. The left hand knob switches the system on and off and controls the volume. To set a radio station, use the manual knob and press it down until you hear a beep when you find the station you want to list...
