Psychological Functions Search Results

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: 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.

How To: Create smooth samples with the loop function on a CDJ

See how to use the loop function on a CDJ CD turntable. While DJing might appear simple to the untrained eye, truly mastering the turntables requires as much time and dedication as mastering any other instrument. Fortunately, the internet is awash in free video DJing lessons like this one, which make the learning process easier than it's ever been. For more information, including detailed, step-by-step instructions, take a look.

How To: Use startDrag and stopDrag functions in ActionScript 2

Add interactivity to your Flash files with this basic tutorial on start/stopDrag functions in ActionScript 2.0. This function allows the user to manually move objects with their mouse clicks. Whether you're new to Adobe's popular Flash-development platform or a seasoned web developer looking to better acquaint yourself with Flash CS3, you're sure to benefit from this free software tutorial. For more information, and to get started using startDrag and stopDrag in your own projects, watch this ...

How To: Adjust cable tension, jockey wheel, derailleur hanger

THere are many parts of the rear derailleur on a mountain or road bike that need frequent adjustment to function properly and give you proper performance on your rides. This video will teach you how to adjust the cable tension, the jockey wheel, and the hanger of the derailleur, ensuring that the whole system is functioning smoothly and that your bike will work as well as possible.

How To: Find the domain and range of a function

Need to calculate the domain and range of a function in algebra? 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).

How To: Figure out the domain of a vector function

Need to know how to calculate the domain of a vector-valued function? 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).

How To: Find the formula for a piecewise function from a graph

Need to know how to find the formula for a piecewise function from a graph? 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).

How To: Use inverse functions in trigonometry

Inverse trig functions are used to find missing angles rather than missing sides. This video explains how to use inverse trig to find a missing angle. 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).

How To: Find the asymptotes of rational functions

Looking for instructions on how to find the vertical and horizontal asymptotes of a rational function? 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).

How To: Use natural log to solve an exponential function

Looking for a primer on how to use the natural log, e, to solve an exponential function? 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).

How To: Figure out the domain of a function

Need to know how to calculate the domain of a function? 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).

How To: Find the vertical asymptotes of a rational function

Need help figuring out how to find the vertical and horizontal asymptotes of a rational function? 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).

How To: Find the derivative of an inverse function in calculus

Looking for a primer on how to find the derivative of an inverse function 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).

How To: Find the domain of a function in precalculus

Looking for a primer on how to find the domain of a function in precalculus? Learn how with this free video precalc 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).

How To: Count Mondays between 2 dates 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 and Mr. Excel, the 44th installment in their joint series of digital spreadsheet magic tricks, you'll learn how to count the number of Mondays between two dates using the WEEKDAY function or the TEXT function wrapped around the ROW and INDIRECT function.

How To: Use Microsoft Excel's built-in VLOOKUP function

Looking for a primer on how to create and work with lookup queries in Microsoft Office Excel? You've come to the right place. In this free video tutorial from everyone's favorite MS Excel guru, YouTube's ExcelIsFun, the very first installment in his series of Excel lookup formula series, you'll learn how to use the VLOOKUP function to deliver a value to cell.

How To: Find mean, median, & mode (averages)

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 34th installment in his "Excel Statistics" series of free video lessons, you'll learn how to use MEAN, MEDIAN, MODE. These measures give us a typical value, a measure of central tendency one value that can repr...

How To: Use the CUMIPMT function for interest in MS 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 18th installment in his "Excel Finance Trick" series of free video lessons, you'll learn how to use the CUMIPMT function to calculate the cumulative interest on a loan for a 1 year period.