Unique Functions Search Results

How To: Figure out the domain & range of a piecewise function

Need to calculate the domain and range of a graphed piecewise 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 slant asymptote of a rational function

Need help figuring out how to calculate the slant asymptote 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: Finding the inverse of a function in algebra

Need some help figuring out how to find the inverse of an algebraic function? Learn how with this free video algebra 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: Graph the sine function in trigonometry

Learn how to use the unit circle definition of the sine function to make a graph of it. 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 ...

How To: Average rank scores given a tie in Excel 2010

New to Microsoft Excel 2010? Looking for a few good tips and tricks? In this free video tutorial from everyone's favorite MS Excel guru, YouTube's ExcelIsFun, the very first installment in his series of Excel 2010 video tutorials, you'll learn how to use use the RANK.AVE function to average rank scores in the event of a tie. See the new Excel 2010 RANK.AVE and RANK.EQ functions.

How To: Find partial derivatives of vector-valued functions

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 find the partial derivative of a vector-valued function in linear algebra or vector c...

How To: Summarize survey data with a pivot table in MS 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 20th installment in their joint series of digital spreadsheet magic tricks, you'll learn how to summarize survey data with a pivot table (grouping & report filter), COUNTIFS function (4 criteria), SUMPRODUCTS formula, SUMPRODUCTS & TEXT functions and DCOUNT database function.

How To: Use the TRANSPOSE & FREQUENCY array functions in Excel

hether you're interested in learning Microsoft Excel from the bottom up or just looking to pick up a few tips and tricks, you've come to the right place. In this tutorial from everyone's favorite digital spreadsheet guru, ExcelIsFun, the 38th installment in his "Highline Excel Class" series of free video Excel lessons, you'll learn how to use the TRANSPOSE & FREQUENCY functions.

How To: Work with date functions (TODAY, NOW, DAY) 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've come to the right place. In this tutorial from everyone's favorite digital spreadsheet guru, ExcelIsFun, the 12th installment in his "Highline Excel Class" series of free video Excel lessons, you'll learn how to use the TODAY, NOW, DATE, YEAR, MONTH, DAY and EDATE functions.

How To: Calculate & compare interest rates in Microsoft 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've come to the right place. In this tutorial from everyone's favorite digital spreadsheet guru, ExcelIsFun, the 48th installment in his "Highline Excel Class" series of free video Excel lessons, you'll learn how to use the RATE, EFFECT, NOMINAL and NPER Excel functions to solve the following problems:

How To: Use rounding functions & paste special values in 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've come to the right place. In this tutorial from everyone's favorite digital spreadsheet guru, ExcelIsFun, the 28th installment in his "Highline Excel Class" series of free video Excel lessons, you'll learn how to use Excel's rounding functions, how to paste special values – and quite a lot more besides. Specifically, this video addresses each of the following topics:

How To: Use TEXT & custom number formatting in Microsoft 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 270000000000000000000000000000000th installment in his "Highline Excel Class" series of free video Excel lessons, you'll learn how to use custom number formatting for cells and the TEXT function. Specifically, this lesson covers the following:

How To: Use functions and formulas in Microsoft Excel 2007

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 2nd installment in his "Highline Excel Class" series of free video Excel lessons, you'll learn how to get started using functions and formulas in MS Excel. Specifically, you'll see the different elements of formulas (the equal sign, cell references, math operator...

How To: Use text functions (TRIM, PROPER, SUBSTITUTE) in 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 11th installment in his "Highline Excel Class" series of free video Excel lessons, you'll learn how to transform bad data into useful data using formulas and text functions such as TRIM, PROPER, SUBSTITUTE, REPLACE, FIND and LEFT. Also see how to use the ampersan...

How To: Find the position of a vector-valued 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 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 determine the position vector-valued function for parameterization.

How To: Do multiple regression with MS Excel's LINEST function

Looking for a primer on how to create and work with array formulas 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 13th installment in his series of Excel array formula series, you'll learn how to do multiple regression and linear algebra problems with Excel's LINEST array function. Also see how to use the SLOPE, INTERCEPT and the FORECAST functions for linear algebra and how to create a s...

How To: Use the ROUND function for math calculations in Excel

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 7th installment in his "Business Math" series of free video lessons, you'll learn when to use the ROUND function for math calculations.

How To: Use the FREQUENCY function in Microsoft Excel

Looking for a primer on how to create and work with array formulas 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 8th installment in his series of Excel array formula series, you'll learn how to use the array FREQUNCY function correctly.

How To: Find statistical critical & p values in MS Excel

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 89th 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.

How To: Find critical values with T functions in MS Excel

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 91st installment in his "Excel Statistics" series of free video lessons, you'll learn how to use TINV and TDIST functions to find critical values given an unknown sigma value.

How To: Use the UPPER & EXACT functions in Microsoft Excel

Love Microsoft Excel? This clip contains a tip that just might induce you to. With this free video tutorial from ExcelIsFun, the 82nd installment of his "YouTubers Love Excel" or YTLE series of free video MS Excel lessons, you'll learn how to use the UPPER & EXACT functions to create a TRUE/FALSE formula to determine whether or not uppercase text has been entered into a cell.

How To: Average with the MONTH function in Microsoft Excel

Love Microsoft Excel? This clip contains a tip that just might induce you to. With this free video tutorial from ExcelIsFun, the 90th installment of his "YouTubers Love Excel" or YTLE series of free video MS Excel lessons, you'll see a complicated average calculation with multiple criteria using the MONTH function on a date field. Learn to love digital spreadsheets more perfectly with the tricks outlined in this free Microsoft Office how-to.

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: Make a beautifully unique beaded windchime

Do you have a bunch of flawed beads left over after you make your crafts? You know the ones, the chipped, cracked, sharp ones that don't make the cut and usually get tossed in the garbage? Why not make those into something lovely, where the cracks don't matter? In this two part tutorial, learn how to turn your discarded beads into a beautifully shiny wind chime for your backyard. This chime is unique and makes a lovely noise in the wind. Let's get crafting!