Function Search Results

How To: Speed up a function when programming in Clojure 1.1

In this clip from Sean Devlin's "Full Disclojure" series of Clojure video tutorials, you'll see how to measure and improve the performance of a function. One of the most obvious perks of using the Clojure is the user community organized around it, which make learning the language a pleasure (and a simple one at that). For more information, including detailed, step-by-step instructions, take a look.

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: 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: 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: 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: 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 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: 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: Identify the constraints & function to be optimized

In this tutorial, we learn how to identify the constraints & function to be optimized. When you are asked for the elements of constraints, you are being asked for the plain English version. If you are told you only have so much of something inside of a written problem, then take into account all of the limits that are listed. Once you have these, write them down so you have them in one place. After this, write down the number for the unrestricted part of the problem. After this, you will be a...

How To: Chart data & use Excel's SUMIFS & AVERAGEIF functions

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 nth installment in his "Highline Excel Class" series of free video Excel lessons, you'll learn how to create and use simple charts in MS Excel as well as see how to use Excel's SUMIFS & AVERAGEIFS functions. Specifically, this video covers the following topics:

How To: Work with Microsoft Excel's 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 42nd installment in his "Highline Excel Class" series of free video Excel lessons, you'll learn ten tricks involving the LOOKUP function:

How To: Add and subtract numbers with Excel's SUM function

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.

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: Convert a text formula/function to a number in Excel

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.

How To: Create a dynamic range with Excel's OFFSET 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 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.

How To: Use the quick file function in Microsoft OneNote 2010

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: Use the LARGE and SMALL functions in Microsoft 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 616th installment in their series of digital spreadsheet magic tricks, you'll learn how to use the LARGE and SMALL functions to retrieve the 1st, 2nd, and 3rd largest values from a list. You'll also see how to do each of the following:

How To: Make payment calculations with MS Excel's PMT 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've come to the right place. In this tutorial from everyone's favorite digital spreadsheet guru, ExcelIsFun, the 47th installment in his "Highline Excel Class" series of free video Excel lessons, you'll learn how to use the PMT function to calculate payments. Specifically, this video addresses the following topics:

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: Use the MEDIAN IF function in Microsoft 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 145th installment in their series of digital spreadsheet magic tricks, you'll learn how to create a formula that will calculate the median when you have more than 1 criterion.

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: Use the NETWORKINGDAYS.INT function in MS Excel 2010

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.

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: Use the WORKDAY & WORKDAY.INTL functions in Excel 2010

This video tells us the method to use the WORKDAY & WORKDAY.INTL functions in Excel. These functions are used to find a workday after a finite number of workdays in the future. WORKDAY uses Saturday and Sunday as off days. Its syntax is WORKDAY(start date, days, [holidays]). 'days' refers to the number of days in the future and holidays is the list of holidays written below each other in the same column. If Saturday and Sundays are not your off days, use WORKDAY.INTL. Its syntax is WORKDAY.IN...

How To: Graph radical functions in college 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 study for that next big test). With this two-part installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, you'll learn how to graph a rational function in college-level algebra.

How To: Format dates with the WEEKDAY function in Excel

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.