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A suite of mathlets for interactive exploration of quadric surfaces
This mathlet computes Riemann sums for a user-defined function and draws a graph of the function as well as a graphical represenatation of the approximations.
This dynamic Java applet developed with support from the NSF (Dynamic Visualization Tools for Multivariable Calculus, DUE-CCLI Grant #0736968)) allows the user to simultaneously graph multiple 3D surfaces, space curves, parametric surfaces, vector fields, contour plots, and more in a freely rotatable 3D plot. This tool is intended as a dynamic visualization and exploration environment for multivariable calculus. Use it to illustrate the geometric relationships of many of the concepts of multivariable calculus, including dot and cross products, velocity and acceleration vectors for motion in the plane and in space, the TNB-frame, the osculating circle and curvature, surfaces, contour plots and level surfaces, partial derivatives, gradient vectors and gradient fields, Lagrange multiplier optimization, double integrals as volume, defining the limits of integration for double and triple integrals, parametric surfaces, vector fields, line integrals, and more. See the corresponding web page for documentation and a list of guided explorations developed for students to use with this exploration applet.
This ESTEEM module in the Biometrics Category leads the user through several different methodologies for applying Bayesian probabilities to real life examples and problems.

An article discussing the use of technology in abstract analysis, real analysis, and geometry.

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.
This article illustrates the use of calculus, differential equations, and statistics in the analysis of enzyme kinetics.
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.

One of the contributing editors introduces the Developers' Area.

Events in our world are often modeled with differential equations. This article develops numerical solvers for ODEs. Interactive applets explore topics including slope fields and numerically solving definite integrals and differential equations.

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