Potent Formula Search Results

How To: Find the largest increase in a data set in MS Excel

Looking for a primer on how to create and work with arrays 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 finding the largest improvement in sales from one year to the next.

How To: Create quick formulas with Excel names in MS 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 4th installment in his series of Excel name tricks, you'll learn to use short Excel names to expedite the formula creation process. For detailed instructions, watch this free video Excel lesson.

How To: Count dates with an array formula 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 142nd installment in their series of digital spreadsheet magic tricks, you'll learn how to create a complex array formula that counts weekends between two dates with the SUM, IF WEEKDAY, ROW and INDIRECT functions.

How To: Automatically color alternating rows in Excel

This video is a tutorial on using the Conditional Formatting function of Excel to automatically color alternating rows, which helps your eye to follow across the row. This can be done manually with the “Fill Color” button, but if you add or delete rows after applying the shading, the whole purpose is defeated.

How To: Create a list of items with a 2-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, the 187th installment in their series of digital spreadsheet magic tricks, you'll learn two different array formula types for creating a unique list of items for a large list containing duplicates.

How To: Work with array formulas 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 313th installment in their series of digital spreadsheet magic tricks, you'll learn how to get started using array formulas in your Excel projects.

How To: Set & insert a formula name into an Excel print area

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 215th installment in their series of digital spreadsheet magic tricks, you'll learn how to create a named formula with OFFSET & COUNTIF functions that defines a print area, and then insert the formula name into the print area name.

How To: Create formulas with table nomenclature on Excel 2007

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 200th installment in their series of digital spreadsheet magic tricks, you'll learn how to use the Excel 2007 Table Nomenclature in formulas. See 9 examples of how to create formulas with table nomenclature in this free Excel video tutorial.

How To: Create a sudoku puzzle in Excel with array formulas

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 242nd installment in their series of digital spreadsheet magic tricks, you'll learn how to create a sudoku puzzle using array formulas, the INDEX function with criteria and data validation.

How To: Create a checkbook-balancing 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, the 233rd installment in their series of digital spreadsheet magic tricks, you'll learn how to create an efficient checkbook balance formula and see when to use the ROUND function on a sales invoice.

How To: Use sheet cell references in Microsoft Excel formulas

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 140th installment in their series of digital spreadsheet magic tricks, you'll learn how to save time in updating a system of data and information by using sheet cell references in formulas.

How To: Use the quadratic formula on a graphing calculator

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 work with the quadratic formula on your graphing calculator.

How To: Find the circumference of a circle using basic math

This video teaches us the method to find the circumference of a circle given its radius. The video tells us to find the answer in terms of pi and also to the decimals value. The formula to find the circumference is two times the product of pi and the radius. The first step involves the drawing the circle and marking the radius. The radius of the circle in the video is 6.5 cm. Now use the formula to find the circumference. Substitute the value of the radius in the formula of circumference. We ...

How To: Easily find the area of a rhombus

In this video, you will learn how to find the area of a rhombus. The formula is A = 1/2 d1 * d2. The d1 is the diagonal inside the rhombus, while d2 is the other diagonal inside the rhombus. You will need to find the length of these lines in order to complete the formula. For example, if one length is 5 and the other is 4, then you should plug in the numbers into the formula. This will equal 20 divided by 2, or 10. 10 units squared is the answer to this particular problem. Viewing this video ...

How To: Create formulas with workbook references in MS 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 182nd installment in their series of digital spreadsheet magic tricks, you'll learn how to create formulas with workbook references. See how to make a formula that looks at a range of cells in another workbook.

How To: Find the area of a circle with a given radius

This video describes how to find the area of a circle given a radius of 4cm. The video begins by describing the formulas needed to find the area of the circle. The narrator cautions the viewer on a few common mistakes that people frequently make while using these formulas, such as not properly squaring the radius of the circle. The solution to the formula for a 4cm radius is 50.24 cm^2. The video then demonstrates that this value makes sense by overlaying a grid onto the circle and visually s...

How To: Graph linear equations using y=mx+b

This video is an instructional guide about Graph Linear Equations presented in algebraic form. It is an easy to follow, step by step guide to solving such equations using the graph intercept formula. The first example equation is Y = 2x -1 over y = mx + b. The video then shows you how to breakdown the equation into manageable sums using fractions to represent the data, and then presents the formula for interpreting the answer from these sums onto the graph co-ordinates. The second and third e...

How To: Find a formula describing direct variation

In this video the instructor shows how to find a formula describing direct variation between two variables. Variation between two variables can be either direct variation or indirect variation. If a variable y is in direct variation with a variable x we can write the general equation between them as y = k * x. That is as x varies, y varies directly in relation to x, as a multiple of x. Now if you have the values of y and x, you can substitute them in this general equation which gives you the ...

How To: Use the distance formula

YAYMATH. This video is a demonstration of usage of the distance formula to find the distance between two given (x,y) points. In this video, the tutor guy who is teaching the distance formula to his students takes an example of two (x,y) points such as (5,-1) and (11,7). He then writes the distance formula on the board. The formula goes like this, the distance between two points, denoted by 'd' is equal to the square root of the sum of the square of (x2-x1) and the square of (y2-y1) where (5,-...

How To: Use Excel date math & time formatting

Once you learn some of the basics, Excel is an easy program to use. With the use of some simple formulas, you can streamline your whole data entry process. Just by typing in =SUM you can set a row or column to show the sum of other entries. It really is that easy. This video will show how to use these formulas and take advantage of Excel date math and time formatting.

How To: Find the perimeter & area of a rectangle

This video starts out with a basic view of a rectangle and its dimensions. The base is 7 inches while the sides are 4 inches. It then displays the formula for finding the perimeter of the rectangle which is the addition of both bases and both sides. After the substitution of the values into the formula you can quickly come up with the perimeter. Then moving on the area, the formula is the base multiplied by the side. In this case, the base being 7 inches and the side being 4 inches you come o...

How To: Calculate the area of any triangle

This video will show you simply how to calculate the area of any triangle using basic geometry formulas. Since a triangle is basically half of a rectangle, the formula for calculating the area of a triangle is base times height. This video offers some insight and examples provided to you by a teacher about how to apply this formula to various types of triangles, whether they are right triangles, equilateral, isosceles, or another form of triangle. By watching this video, you will be well prep...

How To: Change the operator in formula from drop-down in Excel

In this Excel magic trick video the tutor shows how to change operator in a formula from a drop down using Choose function. He shows a basic work book which can be downloaded from the internet for hands-on to the tutorial. In this trick the tutor shows how to include some operators in a drop down box of a cell and based on this drop down value change the operators in equations that are using this cell there by dynamically altering the equation and the value produced using the equation. For th...

How To: Find the area of a trapezoid quickly

In another installment of Math Problem Generator this video shows how to find the area of a trapezoid. First it displays the dimension of the triangle, with the corresponding formula to find the area. This quick and easy demonstration shows how to plug in the correct dimensions into the formula. From there you use the order of operations to solve the formula correctly. The video will teach you the basic procedures in solving for the area of a trapezoid, and will help you take on more complex ...

How To: Derive the annual compound interest formula

In this video tutorial the instructor shows how to derive the formula to compute interest compounded annually. He starts with explaining the basic concepts like principle which is the amount you borrow and the rate of interest or annual percentage rate (APR), which is the rate at which you pay the interest up on the borrowed principle. He shows that the amount after the end of one year is amount A = P(1+APR),and he goes on and generalizes how to compute it for n years. This video shows how to...

How To: Calculate simple interest

Learn how to calculate simple interest with step-by-step instructions using the formula I=prt. Simply defined, interest equals principle times rate times time. The video shows various examples of calculating this formula by plugging different variables into the equation. Although, these calculations can seem hard to follow, the way they are presented is straightforward and simple to understand. The video also explains converting percentages to decimals, which is the cornerstone of applying th...

How To: Use the midpoint formula to find midpoint of a line

In this video the tutor shows how to find the midpoint of a line. He goes on and gives a formula to find out the mid point of a line. The x coordinate of the mid point of a line is the average of the x-coordinates of the end points of that line. Similarly the y coordinate of the mid point of a line is the average of the y-coordinates of the end points of that line. He notes down the formula and explains it by taking an example. This video shows how to compute the mid point of a line given its...

How To: Use simple formulae in Microsoft Office Excel

Microsoft Office Excel 2007 spreadsheet manager is a powerful tool that enables information workers to format spreadsheets, as well as analyze and share information to make more informed decisions. In this MS Excel video tutorial, you'll learn about simple addition, subtraction, multiplication and division in Excel. For more on using simple formulae, watch this video how-to.

How To: Find the surface area of an aluminum can or cylinder

This video tells us the method to find the surface area of an aluminium can or cylinder. The surface area includes the outside area of the curved portion and the aluminium top and bottom. The formula to find area is the multiple of 2, pi, r, r+h or (2)(pi)(r)(r+h). The radius of the cylinder is the radius of the circular top or bottom. In the example shown in the video, the radius is 4 inches and the height is 12 inches. Substituting the values in the formula, we get the surface area as (2)(3...

How To: Get started using Numbers '09

Check out this informative video tutorial from Apple on how to get started using Numbers '09. iWork '09, the office productivity suite from Apple, is the easiest way to create documents, spreadsheets, and presentations. Writing and page layouts are easy in Pages. Numbers gives you simple ways to make sense of your data. You'll captivate your audience with new and sophisticated features in Keynote.