Formulas

How To : Apply a royal blue smoky eye makeup look

Any color, like royal blue in this how-to video, can beautifully create a smoky eye look. Use these cosmetics to create this look: Revlon Colorstay SPF 6 foundation (oily/combo) in Golden Beige, Physician's Formula Bronze Gems bronzer, Estee Lauder blush in "Fresh Plum," Too F ...more

How To : Calculate hours worked in days 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 598th installment in their series of digital spreadsheet magic tricks, you'll learn how to create ...more

How To : Make a Natural Marigold Cream

Hello! Today I would like to share the process of making your own natural marigold cream. The product does not contain any (artificial) chemical elements and therefore can be called natural. Step 1: Ingredients For approximately 5 average sized plastic cups (you can also use ...more

How To : Hijack Mom's Crock-Pot for Some Easy Holiday Hooch

What's the best part of the holidays, other than gorging yourself on food until you're physically able to hibernate? Imbibing delicious, hot drinks that are spiked to the gills with liquor. But when you're hosting the party and you've got twenty million things on your to-do l ...more

Adult Swim Games : It's Not Just for Aqua Teen Anymore

The days of having to pay for video games are over. Generally, retail games are better because they're made with more effort and care than their free counterparts. But free browser-based game sites are insanely popular, specifically Kongregate, Armor Games, and the grandaddy o ...more

How To : Create drop-down menus in Microsoft Excel 2007

This video is a tutorial on how to create drop-down menus in Excel 2007. Select a cell on your spreadsheet and click on the “Data” tab. Go to the “Data Tools” section and select “Data Validation”. In the window that opens select "Allow" and choose "List". You will ...more

How To : Find the surface area of a regular pyramid

In this tutorial, the instructor shows how to compute the surface area of a regular pyramid. A regular pyramid has four equal sides which are in triangle form, and the base in square form. Its surface area is four times the area of its side plus the area of its base. He goes o ...more

How To : Disable Link Previews in Google Keep

Disabling clunky, revealing link previews on Google Keep can serve multiple purposes. You know, those expanded versions of the same URL you pasted into your note, except duplicated, tacked onto the bottom of your note, and showing a preview picture. Removing these can help opt ...more

How To : Use a MODE 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 145.5th installment in their series of digital spreadsheet magic tricks, you'll learn how to a for ...more

How To : Find the interior angle sum of a polygon

In this tutorial the instructor shows a method to compute the interior angle sum of a polygon. He gives us the formula for the interior angle sum of a convex polygon as (n-2) * 180 where n is the number of sides of the polygon. He goes and take a 6 sided polygon as an example ...more

How To : Solve basic rate problems

Need some help figuring out a simple rate problem (involving the rate of a train for example? See how it's done with this free video math lesson. Need help finding the From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical ...more

How To : Count only even or odd numbers 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 370th installment in their series of digital spreadsheet magic tricks, you'll learn how to use the ...more

How To : Solve a 3x3 linear system using Cramer's Rule

In this video the instructor shows how to solve a 3 x 3 linear system using the Cramer's rule. In this kind of problem you are given three equations in three variables x, y, z and you need to solve for the values of these equations. You can solve this using the Cramer rule whi ...more

How To : Use Excel data analysis filter & dynamic ranges

We're on sheet, tab, filter. We want to talk about filter, but we also want to talk about an Excel table or list. It is simply a data set with field names at the top, records in rows, no blanks anywhere and no other data sets touching this data set. When we convert to a table, ...more

How To : Make Music with Floppy Drives & LabVIEW

Video: . Project Overview Have any old school floppy drives lying around? Get hacking... and transform them into an electronic orchestra! This project uses a myRIO embedded controller and four floppy disk drives. The myRIO effectively plays the disk drives like musical instru ...more

How To : Calculate lateral & total area of a cylinder

Steps involved in calculating the lateral surface and total area are: Consider a cylinder with radius r, height h. Then to find lateral area we need the formula 2*pi*r*h, circumference - 2*pi*r, total area 2*pi*(r+h) and area of circle (pi^2)*r. Therefore by using only the ra ...more

How To : Calculate variance in a set of data

The video is about how to find the variance of the set of data. They found the variance by using the variance formula. Variance formula was represented by square of S, whereas S is the Standard Deviation. Variance is got by the summation of the difference between the average ...more

How To : Draw race cars

Does your budding artist also love race cars? A professional illustrator shows you how to draw a sports car, a dragster, and a Formula One car.

HowTo : Lose 27 Pounds Eating Twinkies

What's more important in maintaining a healthy body weight? Eating healthy food or simply reducing your calorie intake? You may think a human nutrition professor would encourage the former, but instead Kansas State University's Mark Haub proved the latter. CNN reports that Pr ...more

How To : Use the MCONCAT 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 306th installment in their series of digital spreadsheet magic tricks, you'll learn how to use MCO ...more

Kill This (and Other Prey) : Tips from an Iraq War Veteran

Robert Xyster, submitter to Love.Earn, shares a military-grade formula for avoiding starvation in the wild. There are several deadfall trap tutorials on the web, but this HowTo is particularly unique because of its context. Using the Iraq terrain as a backdrop, the war vetera ...more

How To : Babysit an infant

Babysitting is the prime teenage job for young women to start learning responsibility and earning a wage, but it isn't all fun and games… you are dealing with an infant, which is far from fun, but it's money in your pocket. Earning a little extra money babysitting infants can ...more

How To : Construct a beautiful flower and bow diaper cake

This video is a tutorial on how to make a diaper cake. The cake is not edible. To begin, you will need a pack of diapers and rubber bands. Roll up the diapers from the waist down and secure them with the rubber bands. Put several rubber bands around a bottle of wine and secure ...more

How To : Hot Damn! 10 More Epic Popsicle Flavors

The freezer section at your local grocery store may have plenty of popsicle flavors, but they're mostly going to be the same old fruit-flavored varities you've been shoving in your mouths for years. None of those will truly get your tastebuds rolling like some creative homemad ...more

How To : Use the Gauss Method to find triangular numbers

The first video is an elementary explanation of triangular numbers and a Gauss demonstration for the sum of the first 100 natural numbers. Video two uses the Gauss Method to find the sum 1+2+...+n. See arithmetic progressions and obtaining a general formula for the sum of an ...more

How To : Solve complex indefinite integrals in calculus

In this video the math teacher explains the meaning of the indefinite integral formula in calculus by stating it in terms of antiderivatives. He then shows in general terms how this indefinite integral formula has a related derivative formula, i.e. if the derivative of F(x) is ...more

How To : Modify gearing on a Traxxas Rustler R/C vehicle

If you're fond of remote-controlled vehicles, you might appreciate this video tutorial on how to modify gearing on a Traxxas Rustler R/C vehicle. The Traxxas Rustler is a proven favorite with a formula for rugged fun that nothing else can touch. The Rustler blows the doors off ...more

How To : Solve compound interest algebra problems

In this math lesson we will learn how to solve compound interest math problems. Click the play button to start the video. Unlike the simple interest, the compound interest pays interest on both the principal and the interest already earned. To find the final balance after a c ...more

How To : Use a spinner to solve math probablity problems

In this lesson we will learn how to solve probability problems involving a spinner. A probability measures the likelihood of a certain event. It always ranges between 0 and 1. The following formula can be used to find the probability of a particular event: P(event) = the num ...more

How To : Find the volume of a rectangular prism quickly

In this video, you will see the steps for finding the volume of a rectangular prism written on a white board. The steps are labeled along the right side. A blue cursor boxes the steps as they are introduced on the board. The formula for finding volume is written along the top ...more

How To : Orange Is the New Toast

Wheat toast. White toast. Sweet potato toast. Okay, one of these things is not like the others... Don't Miss: Screw Sandwiches—Toast Is Where It's At Kelsey Preciado, the blogger behind Little Bits Of, first came up with this so-crazy-it-might-be-genius idea when she didn't ...more

How To : Solve rate problems 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 (or just finish your homework or study for that next ...more

How To : Create a table for the VLOOKUP function in Excel

In this video tutorial, viewers will learn how to create a table for the VLOOKUP function in Excel. Create a dynamic table for the VLOOKUP function as well as a dynamic lookup area so that as you add new data or columns to the Lookup table. Create dynamic ranges using the Exce ...more

How To : Convert Celsius to Fahrenheit

Can't remember how to convert Celsuis temperatures to Farenheit? If your old science lessons are escaping you, then your answer is here. Use the simple formula outlined in the steps in this video to make the proper conversion every time. Step 1: Multiply by 2 Multiply the tem ...more

How To : Understand the Pythagorean Theorem

In this video Ken teaches you about the Pythagorean Theorem. The Pythagorean Theorem is used to find the missing length of a side of a right triangle. By watching this video, you will learn how to find any the length of any side by using a simple mathematical formula. Ken walk ...more

How To : Find the surface area of a cone without a slant

The video describes the "Calculation of the surface area of the cone without a slant". If the base circle diameter (d) and the height of the cone (h) are known, then the following procedure can be used for finding out the surface area oh the cone: Surface area of the cone is ...more

How To : Use the if Function in Excel

Video: . IF function This article describes the formula syntax and usage of the IFfunction in Microsoft Excel. Description The IF function returns one value if a condition you specify evaluates to TRUE, and another value if that condition evaluates to FALSE. For example, the ...more

How To : Calculate the area of a circle with visuals

Learn how to find the area of circle by activity method. Requirements: A circle cut out, a pair of scissors, sketch pen, and a ruler. Take a circle of the radius. Fold the circle along itself. Fold it again. Fold yet again. And again. Now unfold and observe the crease. Numbe ...more

How To : Create a series AA, AB ... ZZ 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 279th installment in their series of digital spreadsheet magic tricks, you'll learn how use the AD ...more

Beer : Our New Favorite Cocktail Ingredient

One of my favorite things about cocktails is that they're so diverse. They can be sweet or savory, filling or refreshing. And they can take advantage of nearly any ingredient imaginable, including egg whites, smoked ice, flavor cubes, and even beer. As a card-carrying member ...more

How To : Find the area of a rhombus

In this video the tutor shows how to calculate the area of a rhombus. He gives the formula for the area of a rhombus as area a = ( D * d ) / 2 where D is the length of the longer diagonal and d is the length of the shorter diagonal. He shows how to solve such problems by takin ...more

How To : Polish silverware using Cape Cod polishing cloths

Watch this video tutorial from the Polish Guy to see how to polish silverware using Cape Cod polishing cloths. In this polishing tip we polish silverware using Cap Cod Metal Polishing Cloths. The cloths are individually packaged in an attractive tin that includes a pair of reu ...more

How To : Find the volume of a sphere

In this video the author show how to find the volume of a sphere. The formula for finding the volume of a sphere is 4/3 * Pi * r*r*r, where r is the radius of the sphere. Now to compute the volume of a sphere you have to note down the radius of the sphere and substitute it in ...more

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