How to do a multiple regression analysis of data in an Excel worksheet. If you have not done so already, you will need to add-in the analysis toolpak as described in that video. This video is basic "Yellow-belt" Excel.

An example of how to mix absolute and relative references in a Microsoft Excel formula. Basic "white-belt" level.

A three minute video overview of a few of my Adobe Lightroom techniques showing before and after photographs.

Hello my name is Tracy O., I am a tutor for ASL 1,2 parts of three and maybe 4. I have been interpreting for 7-8 years as a church interpreter, my goal in the future is to become certified and licensed as a free lance interpreter.
I...

Here is an example that I drew of the principles of animation in action.
How many of them can you spot?

I'm putting myself out there right now so that you can see just how clearly I speak these languages - and so that you can see how clearly you'll speak them, too. It is, indeed, very important to speak with a good, authentic accent. Don't learn from...

How to use the Excel's FREQUENCY() function to create a histogram of your data. Basic "White Belt" Level.

In this video I just show what it would be like to have an interactive session online with me or to have me make a video lesson on a topic of your choice.

Learn more about instructor Olga Konovalova Fernandes.

An improv blues piano sample.

Brahms Sonata No1 in F minor, II Andante un poco Adagio, III Allegretto grazioso.

Osborne Rhapsody for Unaccompanied Clarinet.

Barmann Concerto No3 Es-dur Op23.

Excel's built-in statistical functions can be supplemented with the Analysis Toolpak. If you are not sure how to load an Add-In into Excel, this video demonstrates the simple technique and shows you how to get started with the Analysis Toolpak....

Excel's Scenario Manager conveniently keeps track of several different sets of values that can be plugged into a worksheet to examine the consequence of changes. For example, we might want to examine growth under several potential changes in unemployment...

Sample world problem with solution described by an inequality. This problem is from a discrete math class involving a school field trip.

Three different cases of angles formed by secants and tangents.

In this video, Olgha reviews the following five basic Arabic word pronunciation:
park
passport
parrot
patch
pathway

I created this animation for a friend of mine who developed a prototype for his invention and need some help advertising it.

I created this animation for Peter Bailey, who used to write for the Huffington Post, and now has his own show called Nite Cap. He interviews all types of celebrities and gives you a more personal perspective of who they are.