Formulas

How To : Calculate proportions and percentages in Excel

This Excel Statistics series of video shows how to calculate proportions and percentages in Microsoft Excel. This video shows how to do percentage calculations using formulas in Microsoft Excel. To make a formula for a percentage, you need to first make a formula to calculate ...more

How To : Calculate a bonus 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 and Mr. Excel, the 24th installment in their joint series of digital spreadsheet magic tricks, you'll l ...more

How To : Hide, filter and sort table cells in Numbers '09

Check out this informative video tutorial from Apple on how to hide, filter and sort table cells in 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 ...more

News : Make a tomato glow in the dark

Gather all Mad Scientists. Science doesn't have to be all about hitting the books and memorizing formulas. Sometimes it's closer to Frankenstein or Dr.Jekyll than you can imagine. It's time to turn tomatoes into glow in the dark orbs. Video producers ShootingEggs did not incl ...more

How To : Sort & find duplicates in Excel

This tutorial teaches one on how to sort a given number of contacts in the Excel spreadsheet so that identical values in the sort appear after one another. In the column next to the sorted column it shows whether the (cell 1 is equal or not equal to the cell 2 directly undern ...more

How To : Use the Numbers spreadsheet app on an Apple iPad

One of the advantages of an iPad over, say, an iPhone is that you've ample space with which to display and manipulate complex documents. As such, it's a natural fit for Apple's popular spreadsheet application, Numbers. In this video guide from Apple, you'll learn how work with ...more

How To : Make HUGE Soap Bubbles

Learning to make giant bubbles for this video has been the most fun I've had with a project in a long time. It's addicting to try to get them to grow bigger and bigger than the ones before. Since filming this video, my skill has improved tremendously and the bubbles you're abo ...more

How To : Create and edit charts in Numbers '09

Check out this informative video tutorial from Apple on how to create and edit charts in 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. Numb ...more

How To : Find the Height of a Trapezoid.

Step by step directions for finding the height of a trapezoid. Video: . Trapezoids and its Properties. The Properties of a Trapezoid Includes definitions and formulas for the area,volume, and height of a trapezoid,videos, and a trapezoid calculator

How To : Cheat with a blank piece of paper

Household Hacker brings you fun hack how to projects in a variety of areas: electronic hacks, computer hacks, pranks, etc. Search Household Hacker on WonderHowTo for more videos by this creator. In this video, learn how to cheat with a blank piece of paper. In this video Hous ...more

How To : Apply a MAC bridal makeup look

This how-to video from makeup master Judy demonstrates a pretty bridal look inspired by Carried Underwood. She used mostly MAC cosmetics, specifically URBAN DECAY primer potion, MAC "girl friendly" paint pot, MAC "shore leave" E/S, MAC "cork" E/S, MAC "handwritten" E/S, MAC "r ...more

How To : Solve for rate of change 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 29th installment i ...more

How To : Group rows into categories in Numbers '09

Check out this informative video tutorial from Apple on how to group rows into categories in 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. ...more

How To : Calculate the circumference of a circle

This video shows how to calculate the circumference of a given circle. The video first describes the circumference or perimeter of a circle as the distance around the outside of a circle. To find the circumference we need either the radius or the diameter of the circle. When y ...more

How To : Program a calculator with basics

If you've ever had a little trouble trying to program your calculator, you may find a little relief with this four-part video tutorial. Here, a Texas Instruments (TI-84 Plus) calculator will be used to explain the programming process. The four parts include: 1: The Basics 2: ...more

How To : Calculate sales tax in algebra

In this math lesson we will learn how to solve math problems involving sales tax. Remember these two important formulas: Final price = price before tax + sales tax Sales tax = sales tax rate x price before tax

How To : Survive and Thrive in the Victorian Era

I don't know how many of you had this experience in your youth, but when I was a kid, I used to actively think about what would happen if I suddenly woke up in a fantasy land, or were to pass through a portal into another space and time. I knew it wouldn't really happen, but w ...more

How To : Calculate total savings in Excel

This video will show you how to calculate the total savings on a transaction where there are two percentage series discounts and two dollar discounts. This video shows frugal bargain hunters how to simplify with an Excel sheet and find the total saving percentage. It teaches f ...more

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 ...more

How To : Use conditional formatting in Numbers '09

Check out this informative video tutorial from Apple on how to highlight values with Conditional Formatting in Numbers '09. iWork '09, the office productivity suite from Apple, is the easiest way to create documents, spreadsheets, and presentations. Writing and page layouts a ...more

How To : Find molar mass

It’s time for science. You are able to calculate the molar mass for a compound using the periodic table and the amount of compound involved. You might need to know this in your everyday life but you will definitely need this in a chemistry class. The molar mass of a chemical ...more

How To : Solve inequalities with fractions in algebra

Solving math inequalities with fractions is easy when applying the rules presented in this video. • When you add or subtract the same number from each side of an inequality, the relationship between the two sides does not change. • When you multiply or divide each side of an ...more

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, suc ...more

How To : Create a daily Gantt Chart in Microsoft 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 two-part Excel tutorial from ExcelIsFun, the 564th installment in their series of Excel magic tricks, you'll learn how to create a cell chart usi ...more

How To : Turn off auto column & row formatting in MS Excel

Love Microsoft Excel? This clip contains a tip that just might induce you to. With this free video tutorial from ExcelIsFun, the 72nd installment of his "YouTubers Love Excel" or YTLE series of free video MS Excel lessons, you'll learn how to turn off auto formatting so that c ...more

How To : Work with math equations in Microsoft Excel 2010

Learn how to store, use and manipulate equations in MS Excel 2010. Whether you're new to Microsoft's popular spreadsheet application or a seasoned business professional just looking to better acquaint yourself with the unique features of Excel 2010, you're sure to be well serv ...more

How To : Invert a range of values 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 307th installment in their series of digital spreadsheet magic tricks, you'll learn how to use the ...more

How To : Pass Your Math Class With 9 Tips

Not all people can catch up with formulas, and problem solving skills, but with the right attitude and proper time management there's no doubt you'll pass the subject. How to pass your math class Be prepared. Physically, mentally and emotionally! Put your mind into it. Tell ...more

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