Formulas

How To : Solve markup & markdown math problems in MS 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 32nd installment i ...more

How To : Work with mathematical word problems in MS 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 13th installment in his series of Excel array formula ser ...more

How To : Divide exponents with the quotient rule

Exponent of a number is nothing but the number multiplied to it self the exponent number of times. So five squared it equal to five multiplied to it self. Now when an exponential number is divided with another such number the result is the number raised to the different of the ...more

How To : Ask "Where are you going" phrases in Russian

Check out this instructional Russian language video to learn Russian as Russians speak it. This is Theme 8, Lesson 1 in the series. Practice your Russian listening skills by listening to the dialogue presented in this language video. Learn how to have a conversation with someo ...more

How To : Figure out the slope of a line

In this video you will learn how to find a slope of a line. The man in the video shows in a practical and easy way, how to do it with formulas. First he teaches how to find slopes of lines containing both negative and positive points. He shows with formulas how to do it. He te ...more

How To : Find surface area and volume of a sphere

In this how to video, you will learn how to find the volume of a sphere and surface area. Let's say you need to find the volume of a sphere with a surface area of 200 cm cubed. You will need to know the formulas for surface area and volume of a sphere. The formula for surface ...more

How To : Use macros in Microsoft Excel 2007

Looking for an introduction on how to work with macros in Microsoft Excel 2007? Learn how to create linkage formulas in MS Excel 2007. Whether you're new to Microsoft's popular spreadsheet application or a seasoned business professional just looking to better acquaint yourself ...more

How To : Understand parabolas

The instructor in this video uses humor to teach people math, which is not a favorite subject for many. The video goes on to teach the students in the video different ways to cut the conic sections into different shapes. The teacher then focuses on parabolas and defines the fo ...more

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 so ...more

How To : Use Ohm's Law for your electrical needs

The first video introduces the basic electrical quantities of charge, current, voltage, and resistance. The concept of quantities and units is explained. The units of Coulombs, Volts, Amperes, and Ohms are described. The three basic formulas of Ohm's Law (E=IR, I=E/R and R=E/I ...more

How To : Print spreadsheets in Numbers '09

Check out this informative video tutorial from Apple on how to print spreadsheets 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. Numbers ...more

How To : Use tables, color, images and fonts in Numbers '09

Check out this informative video tutorial from Apple on how to use tables, color, images and fonts 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 i ...more

How to Act Like a Food Snob : Molecular Gastronomy Edition

I first heard the term molecular gastronomy while watching an episode of Bravo's Top Chef a few seasons back. Intrigued by the concept, I sought to find out more about this modern, deconstructed type of cookery. If you happen to be around foodies and the topic of molecular gas ...more

How To : Find the surface area of a surface revolution

From the people who brought you the Dummies instructional book series, brings you the same non-intimidating guides in video form. This is Mathematics for Dummies. Just watch this video tutorial to learn how to find the surface area of a surface revolution, For Dummies. The su ...more

How To : Use SUMIFS and COUNTIFS in Microsoft Excel 2007

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 E ...more

How To : Say informal phrases in Russian with friends

Check out this instructional Russian language video to learn Russian as Russians speak it. This is Theme 11, Lesson 1 in the series. Practice your Russian listening skills by listening to the dialogue presented in this language video. Learn words related to meeting your friend ...more

How To : Use the Arbitrage Pricing Theory (APT)

This video teaches you how to use APT (Arbitrage Pricing Theory) models and formulas. This video shows two specific parts of the APT models the first being the after the fact version and the before the fact version. The before the fact version is focused on as being the most i ...more

How To : Learn Russian phrases when checking into a hotel

Check out this instructional Russian language video to learn Russian as Russians speak it. This is Theme 9, Lesson 2 in the series. Practice your Russian listening skills by listening to the dialogue presented in this language video. Learn Russian phrases when checking into a ...more

How To : Do basic statistical analysis in Microsoft 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've come to the right place. In this tutorial from everyone's favorite digital spreadsheet guru, ExcelIsFun, the nth installment in his "Highline Excel ...more

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 w ...more

How To : Create line based parametric arrays in Revit

Although a little jumpy, this CAD software tutorial covers using a line based family to make a parametric awning in Revit Architecture. As the line is drawn longer you get more awning members. It covers using formulas in families as well as nesting one family in another in Rev ...more

How To : Pronounce hospital clinic related words in Russian

Check out this instructional Russian language video to learn Russian as Russians speak it. This is Theme 10, Lesson 3 in the series. Practice your Russian listening skills by listening to the dialogue presented in this language video. Learn words related to your health, being ...more

How To : Calculate the unemployment rate

All you hear about on the news, the radio, and in other media sources is how the unemployment rate is high. But how do they know that? How did they get to that conclusion? Well, wonder no more! In this video you will learn what formulas you can use and other statistics to find ...more

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 E ...more

How To : Pronounce words in Russian when you're sick

Check out this instructional Russian language video to learn Russian as Russians speak it. This is Theme 10, Lesson 2 in the series. Practice your Russian listening skills by listening to the dialogue presented in this language video. Learn words related to being sick and conv ...more

How To : Use the FREQUENCY function in Microsoft 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 8th installment in his series of Excel array formula seri ...more

How To : Find the area between two curves, For Dummies

From the people who brought you the Dummies instructional book series, brings you the same non-intimidating guides in video form. This is Mathematics for Dummies. Just watch this video tutorial to learn how to find the area between two curves, For Dummies. Calculus formulas a ...more

How To : Find circumference and area of a circle

In this video tutorial, viewers learn how to solve for the circumference and area of a circle. The circumference is the distance around a closed curve. The formula for circumference is C= pi x d. The diameter is two times the radius (d= 2r or r= d/2). The value of pi is approx ...more

How To : Create random dates within a set range 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 and Mr. Excel, the 26th installment in their joint series of digital spreadsheet magic tricks, you'll l ...more

How To : Work with Microsoft Excel's order of precedence

Whether 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 24th installment in his "Highline Exce ...more

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