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How To: Find dates with Microsoft Excel's WORKDAY 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 372nd installment in their series of digital spreadsheet magic tricks, you'll learn how to find the end date for a specified event with the WORKDAY function given a start date, number of workdays and non-included days.

How To: Retrieve cell references with INDEX & MATCH in Excel

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 341st installment in their series of digital spreadsheet magic tricks, you'll learn how to use the INDEX and MATCH functions together to retrieve a cell reference that the OFFSET function can use for its reference argument.

How To: Use basic functions in Excel (AVERAGE, COUNT, MIN/MAX)

This video shows us how to use the following functions in Excel: average, count, counta, min, max, and sum. First, start off by create a set of numbers to work with. After that, click on an empty cell that you want to use for the functions. To do an average, click on the functions button on the top right corner of the menu bar, you'll see a list of all the functions that are available. Select average, and then highlight all the numbers that you want to find the average of. Repeat the exact sa...

How To: Conditionally format with MS Excel's DATEDIF 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 271st installment in their series of digital spreadsheet magic tricks, you'll learn how to use conditional formatting and the DATEDIF function to add formatting to a cell based on the content of a different cell.

How To: Calculate commissions with Excel's VLOOKUP 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 206th installment in their series of digital spreadsheet magic tricks, you'll learn how to calculate commissions with the VLOOKUP function when the lookup value is an account type instead of a number.

How To: Find the average value of a function over an interval

When you have to find the average of two or five numbers then you have to add all the numbers and then divide then by two or five respectively. However in the case of the function you have infinite many values over any interval. But it is not possible to add all and then divide by infinity. Therefore you have to calculate in a different way. Imagine that you have to find the average of y=f(x). Then you have to average it from the interval from ‘a’ to ‘b’. The inner area under the curve shall ...

How To: Extract the three largest values from a list in Excel

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 162nd installment in their series of digital spreadsheet magic tricks, you'll learn how to deal with duplicates with the MATCH function by using the COUNTIF function. This is accomplished with recourse to Excel's IF, OR, LARGE, ISERROR, MATCH, INDEX and COUNTIF functions.

How To: Find the graph of a square root function

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 sketch the graph a square root function.

How To: Find the asymptote of a rational function 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. With this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, you'll learn how to calculate the asymptote of a rational function in college-level algebra.

How To: Use an array formula to filter data in Excel

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 574th installment in their series of digital spreadsheet magic tricks, you'll learn how to streamline filtering when you have categories of criteria using an array formula that uses the functions COUNTIF, VLOOKUP, ROWS, IF, INDEX, SMALL, and ROW. Also see how to put OR criteria into the IF function as well as how to do an OR coun...

How To: Use & add/delete words from AutoCorrect in Excel 2007

In this video we learn how to use the AutoCorrect function found in Microsoft Excel 2007. This video is the second part of the Microsoft Excel 2007 tips series. The video shows on screen and the host explains how to find the AutoCorrect function and gives an address to download the example spreadsheet from their TeachExcel website. AutoCorrect is a nice function but it is not personalized, and if you often misspell a word it can be handy to add it to AutoCorrect to catch it every time. Unlike...

How To: Solve linear function graphs

This video walks you through the steps of solving linear function graphs. 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.

How To: Solve exponential decay functions

This video walks you through the steps of solving a exponential decay function. 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.

How To: Insert special characters in MS Word 2007

A video from Helpvids.com that shows how to insert special characters in MS Word 2007. A seldom used function in MS Word is the Insert Symbol function. Symbols like the copyright, infinity, registered trademark, Yen, Pound, Euro etc can be of use in some documents. Word provides an easy way to insert these and many other such symbols into your documents without much hassle (For example, using the Character Map utility provided with Windows).

How To: Use the map function on the iPhone 3GS

This video will show you how to use the map function on your iPhone. Follow these steps to use the map function on your iPhone: From the Home screen, tap 'maps' to open the Map window. Use your finger to navigate and scroll around the map. Pinch your fingers apart and you will zoom in to the location, pinch your fingers together and you will zoom out. You can use your GPS to track where you are by tapping the Tracking icon. If you wish to search for a location, simply tap on the Search field ...

How To: Use the Photoshop CS4 patch tool

As each new version of the award winning Adobe Photoshop is released certain functions remain the same from prior versions while other functions are changed. In the latest version of Photoshop, Adobe Photoshop CS4, the patch tool works significantly differently than prior versions. In this video we are shown how the patch tool originally worked in Adobe Photoshop CS2 compared to how it now functions in Photoshop CS4. Finally the author gives us step by step instructions on how to operate the ...

How To: Use white balance on a camera & Photoshop in filter

In this lesson, learn what white balance is and how to effectively use this function on your digital camera. Also learn how to use the photo filter function in Photoshop to eliminate and correct color casts created by various light sources. Watch this video photography tutorial and learn how to use white balance on a digital camera and how to correct colors with after-effects lens filters in Photoshop.

How To: Chain methods in your PHP object programming

Chaining methods in PHP can be simple and straightforward if you follow along with this informative video tutorial on PHP OOP methods from JREAMdesign. The key action is to return the object after running the function so that you can run another function to the object directly afterwards.

How To: Use the copy and paste functions on a Mac or PC

In this video 2 people show you copy and paste functions on a Mac and a PC. On the PC, the girl copies a paragraph of text on a web page by highlighting it, right clicking, and selecting copy. Then she opens up a TextEdit program and pastes it into there and saves it. On a Mac, just like the PC, he highlights the paragraph, but this time he drags the highlighted portion right to the desktop. This will automatically create a file right on your desktop. If you open it up, it will open up in a t...

How To: Find the arc length of a function

In this tutorial, we learn how to find the arc length of a function. All you're doing when finding arc length is finding the curve between 'a' and 'b'. Imagine this as a string you're pulling straight to see how long it is going to be. The formula says if your function is in 'y=x' you have to take one times the derivative squared. This is a basic formula that you will use to find the arc length. When you plug in your values to this equation, you will find the answer. Practice with the example...

How To: Graph a parabola

In this tutorial, we learn how to graph a parabola. Quadratic functions are parabolas. To graph these, you will first need to look at the function, which is the set of outputs for a set of inputs. Write this out on a t-chart to find what your 'x' and 'y' values are. Once you find these, you will plug in the coordinates to a graph. After you have written down the coordinates, you can graph your parabola. This is easy to do if you are familiar with quadratic functions and good at math. Just pra...

How To: Calculate the future value of annuity with the FV function 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, part of his "Excel Finance Class" series of free video lessons, you'll learn how to use the FV function to calculate the future value of an annuity.

How To: Calculate the present value of an annuity with Excel's PMT function

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 35th installment in his "Excel Finance Class" series of free video lessons, you'll learn how to calculate the present of a loan with the PMT function.

How To: Build an amortization table for a consumer loan with Excel's PMT function

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 4nd installment in his "Excel Finance Class" series of free video lessons, you'll learn how to build an amortization table for a consumer loan in Excel with the PMT function.

How To: Build an amortization table for a business loan with the PMT function

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 43rd installment in his "Excel Finance Class" series of free video lessons, you'll learn how to create an amortization table for a business loan with Excel's PMT function.

How To: Evaluate functions

In this tutorial, we learn how to evaluate functions. A function is an equation with an input and an output. For the value of "X" there is going to be a value for the rest of the values that are in the equation. To start, write out the equation, then substitute the "x" with the appropriate number. After this, substitute the "x" in the rest of the equation where it belongs. Once finished, work out the rest of the equation in the appropriate order. Now you will be able to finish it and get the ...

How To: Call into a JavaScript function with .NET code

In this clip, you'll learn how to make calls into JavaScript functions with .NET code when working in Silverlight. Whether you're new to Microsoft's popular web application framework or a seasoned web developer merely looking to improve your chops, you're sure to find benefit in this free MS Silverlight programming lesson. For more information, including a complete demonstration and detailed, step-by-step instructions, take a look.

How To: Call .NET functions from JavaScript code in a Silverlight application

In this clip, you'll learn how to call .NET functions from JavaScript when working in Silverlight. Whether you're new to Microsoft's popular web application framework or a seasoned web developer merely looking to improve your chops, you're sure to find benefit in this free MS Silverlight programming lesson. For more information, including a complete demonstration and detailed, step-by-step instructions, take a look.

How To: Open folders with the shell function in Microsoft Visual Basic 6

In this clip, you'll learn how to use the shell function to use the shell function to open folders. Whether you're new to Microsoft's popular event-driven program language & IDE or a seasoned developer merely looking to improve your chops, you're sure to find benefit in this free Visual Basic programming lesson. For more information, including a complete demonstration and detailed, step-by-step instructions, take a look.

How To: Make calculations with math functions when coding in PHP

In this clip, you'll learn how to make basic calculations with arithmetical functions when coding in PHP. Whether you're new to the PHP: Hypertext Preprocessor scripting language or are a seasoned web developer merely looking to improve your chops, you're sure to find benefit in this free video programming lesson. For more information, including detailed, step-by-step instructions, take a look.

How To: Create a simple array function with PHP

In this clip, you'll learn how to create a simple array function when coding in PHP. Whether you're new to the PHP: Hypertext Preprocessor scripting language or are a seasoned web developer merely looking to improve your chops, you're sure to find benefit in this free video programming lesson. For more information, including detailed, step-by-step instructions, take a look.

How To: Use date and time functions in Microsoft Access 2007 queries

Looking for a quick guide on how to utilize date & time functions in your Access queries? You're in luck. Whether you're new to Microsoft's popular data management application or a seasoned MS Office professional just looking to better acquaint yourself with the Access 2007 workflow, you're sure to be well served by this video tutorial. For more information, including step-by-step instructions, watch this free video guide.

How To: Cleanse toxins from your body

In order to cleanse your body of toxins, you first need to determine the types of toxins you've been exposed to. This can be done with blood screening or urinalysis or liver function tests. If the liver isn't functioning properly, then there will need to be some steps taken or the benefits of cleansing won't last very long.