Welcome

Personalized Tutoring and Instruction
Online or in person, for a one time meeting, or for regular appointments and ongoing instruction, I will be glad to help you with anything from one single concept to an entire course.

Standardized Test Preparation
I am experienced preparing students for high stakes standardized tests, and offer an approach that efficiently turns student efforts into improved test scores.

Pythagorean Identities
The Law of Cosines
The Law of Sines
Sine and Cosine of Angle Sums and Differences
Half Angle Formulas


Superstition Mountain Tells Me the Radius of the Earth
This video shows my calculation of the radius of the Earth using an observation of the West Face of the Superstition Mountain at sunset.


Area of a Circle
Uses concept of limits and Euclidean Geometry to derive the formula for the area of a circle.