Audio Formula Search Results

How To: Force a stuck formula to calculate 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 210th installment in their series of digital spreadsheet magic tricks, you'll learn what to do if your formula does not calculate and is showing the equal sign and the rest of the formula without calculating.

How To: Use the ratio formula to find coordinates of a point

This video is recorded in a mathematics class room. It is very clear by the sound and picture. The faculty here is explaining that the ratio between two numbers can be found using various formulae and methods. For example, 3:1 is the ratio between p and q. Likewise he explained the other formulae and methods.

How To: Replace a long IF with a MIN/MAX formula 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 100th installment in their series of digital spreadsheet magic tricks, you'll learn how to replace a long IF formula with a simple MIN/MAX formula (or an even simpler MEDIAN function). See 3 amazing examples. When you have a hurdle such a Commission Hurdle or a Payroll Taxable Earning Hurdle, and you are using an IF function fo...

How To: Factor the difference of squares

In this video the instructor shows how to factor the difference of squares using a formula. The formula to find the difference of squares can only be applied if you have two perfect squares. The formula is (a * a - b * b) = (a - b) * (a + b). That is the difference of squares of two numbers is the product of sum of two numbers and difference of two numbers. So when you need to find the difference of squares of two numbers substitute the values in the above formula to directly solve for the fa...

How To: Find the formula of a piecewise function given a graph

This video shows how to find the formula of a piecewise function when given a graph. The first step is to write a definition for the graph, which is done by identifying the different domains shown in the graph. The second step is writing formulas for each domain specified by the lines in the graph. The point-slope formula is used to identify the slope and y-intercept for the leftmost domain, which has a sloped line. A point and horizontal line make for simpler equations in the other pieces of...

How To: Solve a quadratic equation by quadratic formula

This video is describing how to solve quadratic equation by quadratic formula. The quadratic equation is given in the video and we will use quadratic formula. We will put the equation in the formula our equation is 4psquare= -23p - 15. Now add 23 to both sides and then add 15 to both sides now we will get an easy equation, 4 will be used as a and 23 will be used as b and 15 will be used as c and we have a=4,b=23 and c=15 put these values in the quadratic formula and we have the value of p=5.-...

How To: Use the percentile formula in Statistics

In this tutorial the instructor explains the percentile formula. He says that the percentile formula is used to find the percentile rank of a data point in a group of data. He takes an example that consists of the lengths of puppies. Now he intends to find out the percentile rank of any puppy in the group. He shows that the formulate to compute a percentile rank of a particular puppy is rank R = 100 * (N< + (1/2)N= )/ Nt, where N< is the number of puppies whose length is less that the length ...

How To: Find the midpoint of two points using formula

Find the midpoint of two points using a easy formula. Each coordinate has a x and y. X being the first number and y being the second number. So using the formula of x one plus x two then divide the sum by two. Using the same formula with the y coordinates. After plugging the numbers in the formula add the two x coordinates and divide by two. If you follow the same steps for the y coordinate take the two numbers and you have the midpoint of your two coordinates.

How To: Identify arithmetic sequences and find the nth term

This is a one of the coolest videos about arithmetic sequence, it has a very clear explanation about the arithmetic sequence formula and also more than one example which would help the viewer to learn this formula and its implementation in a easier way. This video is a also very helpful for the people who appear for interview since it is a very basic formula that every science student must remember.

How To: Understand polyatomic chemical formulas

This is a video tutorial in the Education category where you are going to learn how to understand polyatomic chemical formulas. When writing the formula using polyatomics, the same cross-over rule applies. 1st identify the metal and non-metal. Then you write the symbols, write the charges, cross-over the charges from top to bottom, remove the charge and simplify the numbers and remove the 1s. for example, iron (II) phospahate. The "ate" ending implies that phosphate is polyatomic. The symbol ...

How To: Use names in formulas and functions in Microsoft Excel

Looking for a primer on how to create and work with names 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 1st installment in his series of Excel name tricks, you'll learn to use names in formulas and functions as well as how to edit them. See how to name a cell or range of cells with this free video lesson.

How To: Reverse first & last names by formula 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, the 292nd installment in their series of digital spreadsheet magic tricks, you'll learn how to extract first and last names from an Excel spreadsheet and rearrange them using a formula.

How To: Extract records with 1 criterion via Excel's AGGREGATE

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 670th installment in their series of digital spreadsheet magic tricks, you'll learn how to use the AGGREGATE function to create a formula for extracting records with one criterion. This is a lookup problem where you want to return multiple records from one lookup value. This formula is not an array formula because it...

How To: Use Boolean logic for AND & OR formulas 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, the 652nd installment in their series of digital spreadsheet magic tricks, you'll learn see how to create Boolean Logic formulas for AND and OR Logical Formulas. See Logical Truth Tables for AND and OR. Also see how to create array formulas in two different ways: the SUMPRODUCT function (DON'T have to use Ctrl + Shift + ...

How To: Set up and use input areas in Microsoft 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 2nd installment in his "Beauty of Excel" series of free video lessons, you'll learn how to set up the input/assumption area for formulas so that subsequent formulas, functions and charts update beautifully. Learn how to build Excel spread...

How To: Extract part of a table from a larger table 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 185th installment in their series of digital spreadsheet magic tricks, you'll learn how to create a formula to extract part of a table from a larger table. You'll accomplish this with an array formula that uses Excel's INDIRECT, IF, ROWS, COUNTIF, INDEX, SMALL, and ROW functions. The formula will extract records that meet one con...

How To: Calculate percentage growth rates

One formula that you will run into in Calculus is calculating the percentage growth rate using a logarithmic derivative, elasticity of demand, relation among elasticity of demand and also revenue. In this video you will learn the different formulas that are used, methods of solving each formula, and also the full solutions.

How To: Speed up conditional formulae with VLOOKUP in MS 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 35th installment in his "Highline Excel Class" series of free video Excel lessons, you'll see an efficient IF function formula get beat by an even more efficient VLOOKUP function formula.

How To: Speed up Excel calculations with helper columns

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 7th installment in his "Excel Formula Efficiency" series, you'll learn how to count unique records with a formula with a helper column to speed up calculations.

How To: Sum the 3 largest or smallest values in a set in 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 5th installment in his series of Excel array formula series, you'll learn how to create array formula for adding the 3 largest or smallest values in a data set.

How To: Analyze a stock portfolio with Excel array functions

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 12th installment in his series of Excel array formula series, you'll learn how to create array formulas for stock portfolio return & standard deviation.

How To: Use the auto-complete feature in MS Office Excel 2007

Microsoft Office Excel 2007 Tip - Using Formula Auto-Complete - Microsoft® Office Excel® 2007 is truly at its best when it's working hard behind the scenes to execute complex calculations, working with any of a number of standard formulas. When we're creating spreadsheets, formulas should be easy to replicate again and again, but human error can sometimes get in the way.

How To: Use the Quintile Formula in Statistics

In this tutorial, we learn how to use the Quintile Formula in Statistics. To find the quintile rank of a formula that is in a certain set, you will first need to count the number you are given. Then, read the equation so you understand what the R, N, equal side, and other numbers mean. Once you understand what all of these mean, fill in the formula with the correct information. Use the information you are given in the question to fill it into the equation. When finished, you will apply the ru...

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 comparative operators & logical formulas 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 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...

How To: Use Heron's formula

Area of a triangle can be calculated when you have the length of its base and height. In this case the area is 1/2 times the base and its height. If you do not know the height of the triangle but know the lengths of all the sides of the triangle then you can calculate its area using the Herons formula. First to use it you need to computer the semi perimeter of the triangle S, which is S = (a + b + c)/2, where a, b, c are the lengths of the sides of the triangle. Now the area of the triangle i...

How To: Use conditional IF formulas in Microsoft Office 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 334th installment in their series of digital spreadsheet magic tricks, you'll learn how to use the IF function. This video starts with IF function basics and then shows 12 different examples of how the IF function can be used in formulas. Also see how to use AND, OR, SUM, AVERAGE, STDEVP and VLOOKUP functions.

How To: Prove Heron's Formula

This two part video walks you through the steps of in proving Heron's formula. 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: Find & extract duplicate records from a data set

This video is about finding duplicate entries in excel sheet. The example excel sheet contains different names. There are around 1000 different names in the sample excel sheet. CountIf(range,criteria) formula has been used to do the comparison and return of results in True or False mode. Type =CountIf( now move your left arrow key, this will generate the formula like =CountIf(A2. Now press Ctrl+Shift+Down arrow, this will select all the available values in the column. Now press F4 to lock it ...

How To: Turn a Ctrl + Shift + Enter formula into an Enter array formula 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 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.

How To: Convert Fahrenheit to Celsius for chemistry

This is a video tutorial in the Education category where you are going to learn how to convert Fahrenheit to Celsius for chemistry. Doing this is really simple and easy and doesn't take much time. But, you must know the formula for doing the conversion. The formula is degrees Celsius is equal to degrees Fahrenheit minus 32 divided by 1.8. Using this formula let us convert 75 degrees Fahrenheit to degrees Celsius. Inserting 75 in the formula, we get (75 - 32) divided by 1.8. and the answer is ...

How To: Use the quadratic formula to solve algebraic equations

Using the quadratic formula to solve equations may bring one, two, or no algebraic solutions. The quadratic formula is special to quadratic equations, which can have fractions, radicals, or neverending decimals. Learn how to solve quadratic equations using the quadratic formula 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 ea...

How To: Calculate percentage composition by formula

Could you use a little help figuring out how to find percentage composition? Watch 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). With this free math tutorial, you'll learn how to calculate percentage composition by formula.