Quick Lamp Base Modeling Demo

作者:Tim Brzezinski

In this screencast, notice how the base is a frustum of an elliptical cone. That is, for this surface, cross sections of planes parallel to the floor and this surface are ellipses.

Quick Silent Demo

新资源

Graph Segment of f(x) = x in Polar Coordinates
Graphing 1 + cos(θ) in Polar Coordinates
bewijs stelling van Pythagoras
Graphing a Circle in Polar Coordinates
分數化百分數：練習

发现资源

candies dot npr slide
เอนิเมชั่น
Bezier Curves
Crossed Diagonals
Experimental Probability Spinner

发现主题

几何变换
三角形
特殊点
二维向量
极限