Formulas

How To : Create an evil fairy makeup look

This is a great Halloween look for those of you who do not one to wear masks are a bunch of gory effects. You can even use this look for other dress-up parties. Princess Pinkcat shows you how to do her evil fairy makeup look. Certain sections of this video have been sped up - ...more

How To : Use YEARFRAC, INT, and DATEDIF in Excel

In this Excel magic trick video the tutor shows how to use the years worked formula using Yearfrac, Int and Datedif functions. He says that using this trick you can find out how many years some one has worked if we know his starting date and ending date i.e. he shows how to ex ...more

How To : Convert yards to inches with simple arithmetic

In this clip, you'll learn how to convert between yards and inches by formula. 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 ...more

How To : Identify the slope and Y-intercept given y=mx+b

This tutorial shows how to identify the slope and y-intercept given the formula y=mx+b. In this formula m is always going to be the slope and b is always going to be the y-intercept. Therefore if your given a problem like the one displayed in this video: y= 8/3x + 9, the slope ...more

How To : Find the volume of a cube

For people who are learning geometry, this video will show you how to simply find the volume of a cube. This video provides the formula as well as some basic examples in order to get you started in finding the volume. The formula for the volume of a cube is the length of one s ...more

How To : Make natural eye makeup remover

Take some tips from Michelle Phan with this video on creating your own natural eye makeup remover. Stop spending the bucks when the solution is right in the kitchen cabinet. I have been using Extra Virgin Olive Oil to remove my eye makeup for a year. I remember someone told m ...more

News : Vincent Van Gogh Rises From the Dead (Well, Sorta)

The formula goes something like this: crazy amazing "life painting" artist Alexa Meade x the genius idea behind Van Gogh Photoshop magic x some mad make-up skills = voilà, a living, breathing, hyperrealistic facsimile of our one-eared icon, Vincent. By James Birkbeck.

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 dimension ...more

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 ...more

How To : Find the surface area of a cone easily

In this how-to video, the author, , Davitily, has a simple drawn out diagram of a cone figure and it's measurements, and also has the mathematical formula of how to find the surface area of this and any other cone figure. The video does not have sound, but it does have an ani ...more

How To : Create an array for a stem-and-leaf chart 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. With this video tutorial from ExcelIsFun, the 376th installment in their series of digital spreadsheet video tutorials, you'll learn how to an array formul ...more

How To : Fix the nine most common types of Excel errors

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 582nd installment in their series of digital spreadsheet magic tricks, you'll learn how to underst ...more

How To : Conditionally format odd & even numbers 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 370th installment in their series of digital spreadsheet magic tricks, you'll learn how to apply c ...more

How To : Avoid the #DIV/0! error in fornulas in Excel

Getting errors when trying to crunch your numbers in Windows Excel can be frustrating, but with this fun and easy to follow guide to remove the "#DIV/0!" error. When the computer thinks you're trying to divide by zero, it produces an annoying error, but by following this video ...more

How To : Increment column numbers for an Excel lookup table

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 335th installment in their series of digital spreadsheet magic tricks, you'll learn how to increme ...more

How To : Determine the area of a trapezoid

Need to figure out the area of a trapezoid for a household project? Even if you just want to sound smart, there is a simple formula that can be used every time you need to find the area of a trapezoid. Try the formula and see how good you are at geometry. A trapezoid is a fou ...more

How To : Find the volume of a cone

For anyone who is learning geometry and would like to learn or to review how to find the volume of a cone, this is the video for you to watch. The video provides you with both the simple formula for a cone as well as various examples which you can use to practice. The formula ...more

How To : Solve the circumference of a circle using a cookie

In this video the instructor shows you the diameter, radius and also how to find the circumference of a circle using a cookie as an example. When you draw a line against the cookie passing through its center and touching its boundaries, it is a diameter of the circle. Radius o ...more

How To : Solve logarithmic equations

In this video the instructor shows how to solve logarithmic equations. To solve a logarithmic equation, the first thing you have to do is try to get one logarithmic term if possible. To subtract two logarithmic terms use the formula Log (a) – Log (b) = Log (a/b). Now to get ri ...more

How To : Solve square roots in algebra

In this lesson we will learn about one of the most important concepts in algebra SQUARE ROOTS. The square root of a number m is another number n that satisfies the following formula: m = n x n. You can also say that m is the square of n. The opposite of squaring a number is f ...more

How To : Use a data table for what-if analysis 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 253rd installment in their series of digital spreadsheet magic tricks, you'll learn how to use a d ...more

How To : Find the volume of a cube easily

In this tutorial the author shows how to find out the volume of a cube. The author shows first to mark the length of the cube and substitute it in the formula for volume of the cube which is s*s*s, where s is the length of the cube. Therefore the volume of a cube is nothing bu ...more

How To : Extrapolate given daily fixed costs 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 325th installment in their series of digital spreadsheet magic tricks, you'll learn how to create ...more

How To : Find the area of a trapezoid

In this video, we learn how to find the area of a trapezoid. The formula to figure out how to find the answer is: Area= 1/2x (base1 x base2) x height. Now, find the bases and the height of the trapezoid. Remember that the height must always be perpendicular to the bases. Once ...more

How To : Find the circumference of a circle in Geometry

In this tutorial the author shows how to find the circumference of a circle. He says that the circumference of a circle can be calculated by using the formula circumference C = 2 * Pi * R, where R is the radius of the circle. He shows how to solve these kind of problems using ...more

How To : Advanced Cryptography - Total Guide

Hello people again, I wrote my last post about crypto about 10 months ago, now I will introduce something not fresh for the science, but fresh for the people who wants to learn. In my http://null-byte.wonderhowto.com/forum/cryptography-0161538/ post of crypto concepts, there i ...more

How To : Find the area of a square or rectangle in geometry

In this video tutorial, viewers learn how to find the area of a rectangle. The formula for finding the area of a rectangle is: A= b x h. The base is the horizontal bottom lie of the rectangle and the height is the vertical straight line of the rectangle. Whenever working with ...more

News : This Table Shows Why Google Needs Andromeda

There's a new operating system on the horizon, and this one's so big that it may actually live up to its galactic moniker. Andromeda, a merging of Android and Chrome OS, has the potential to bring Google to the ubiquitous status that Microsoft's Windows enjoyed in the '80s and ...more

How To : Find the area of a circle with pi

This video shows how to find the area of a circle using a formula. The formula for area of circle is pie multiplied by square of radius. Pie is actually an infinite number but for the sake of convenience we consider the value of pie as 3.14. So we multiply the square of radius ...more

How To : Count certain days of the week 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 551st installment in their series of digital spreadsheet magic tricks, you'll see a great non-arra ...more

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