### EMAT 6690 Essays

### by

### S. Kastberg

**An investigation of three
classes of parabolas and a study of Descartes'
procedure for finding the tangent line to the curve at a point.**

### An investigation of Logarithms using a genetic
approach and a precalculus approach.

#### Plus a neat base 2 slide rule constructed
in GSP!

### Investigating Ideals

#### (under construction)

### Using the graphing calculator to investigate
the geometric properties of polynomials in one variable with integer
coefficients.