Loci Browse Articles

Displaying 261 - 270 of 328

Filter by subject

The Most Marvelous Theorem in Mathematics

Marden's Theorem concerns the relative positions of the roots of a cubic polynomial and those of its derivative. This article gives a proof of Marden's theorem, along with dynamic geometry animations and some of the history of the result.

Towards a Coherent On-line Collection of Tools

A Developers' Area article about reuse and interoperability of mathematical tools.

Geometry Playground

Geometry Playground (v1.3) is a free Java application for doing "ruler and compass" constructions in both Euclidean, Spherical, Projective, Hyperbolic, Toroidal, Manhattan and Conical geometries. Its purpose is to help users develop a familiarity with various conceptualizations of these geometries.

BioBayes

This ESTEEM module in the Biometrics Category leads the user through several different methodologies for applying Bayesian probabilities to real life examples and problems.

The Standard and General Forms of a Parabola

These applets provide interactive student activities to make connections between the graphical and analytical interpretation of "completing the square" and writing the equation of a parabola in general and standard form.

The Natural Cosine and Sine Curves

A mathlet that illustrates the relationship between the graphs of the natural sine and cosine curves and the vertical and horizontal coordinates of points on the unit circle.

Actionscript 3 Tutorials

A collection of mathematics applets with full documentation and source code for beginning users of Adobe Flash. This collection is part of the MathDL Flash Forum.

Three Easy Pieces

These Java applets allow students to explore three classic probability problems: (1) the Birthday Problem, (2) the Poker Problem, and (3) the Buffon Needle problem.