Illustration of online tutoring.

The surface z = x^2 -y^2 is generated by sliding the curve z = -y^2 from the y-z plane along the curve z = x^2 in the x-z plane.

This timer will help you practice TOEFL Speaking Questions 1 and 2. This video provides preparation and response timing.

This animation represents level surfaces of the function f(x,y,z) = x^2 +y^2 -z^2. The graph of this function is a 3-dimensional solid in a 4-dimensional space - a hypersurface!

I cover both the case of a monomial dividing into a polynomial, and the case the monomial is not a factor of the polynomial. Give it a view and tell me how you like it.

Just a brief introduction to myself.

Word Problem Mixtures as tested on the GRE, GMAT, ACT and SAT

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...

Video shows how to find the total distance of cable needed to support a rectangular canopy with 4 poles at each corner.

Learn Spanish and sign Language with me.... feel free to contact me.

Fast Math Tricks of Calculation

When asked to factor a quadratic equation such as 2x^2 - 7x -15, many students are uncomfortable with the guess and check method. I created this video to describe a 7 step method that requires NO GUESSING.

Do you want a teacher who will teach you everything you need to know to read, write and speak Japanese? I gained my native pronunciation by living with two Japanese families, attending a Japanese college in Osaka, working in management for a Japanese...

This is a sample beginning phonics online lesson.

Basic tutorial on how to represent real world situations (i.e. Pizza!) into fractions and percents.

A video showing the detailed procedure to do long division of numbers.

Frog Heart Experiment
Purpose:
To examine the effects of pre-tension, temperature, and various drugs on the frog heart muscle,
specifically contraction strength and heart rate.
Background:
There are a number of external...

Approximately 3 minutes. Played by memory using my special memory technique that I teach to intermediate level students.

Here's my intro video to learn more about how I teach, train and tutor people. Its all about building competency and confidence.

Factoring and solving a cubic equation