PreCalculus Index - National Curve Bank Math Archive

Pre-Calculus Index

and links to historical sketches

Curve Bank Home

Trigonometry
JAVA Applet for Trig Functions: Interactive, Quiz and Feedback

..//javatrig2/javatrig2.htm Sine and Cosine Functions

..//sine/sine.htm Applet for the Unit Circle - Interactive with Feedback

..//trig/trig.htm Unit Circle

..//unit/unit.htm JAVA Applet Interactive Trig Functions

http:..//cs390trig/cs390trig.htm
Polar Graphs
Maplesoft@ Code and Animations

..//polar/polar.htm Curves and Code in POVRAY

..//povray/povray.htm

Parametric Equation Graphs
Maplesoft@ Code and Animations

http://..//cycloidmaple/cycloid.htm MATHEMATICA@ Code and Animations

..//lissajous/lissajous.htm [Please see the Index of Curves for a more complete list.]

Logarithms
Spiral of Jakob (James) Bernoulli

..//log/log.htm

Geometry: The Circle, Pythagorean Theorem, and Distance Formula
Estimating Distances on a Map

..//wattenberg2/wattenberg2.htm

Animated Derivation of the Area of a Circle and the Pythagorean Theorem

..//circle/circle.htm

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The background image is that of René Descartes (1596 - 1650). He was born 46 years before Newton and 50 years before Leibniz. Please see his Folium and the historical sketch in Equiangular Spiral.

Uploaded March 20. 2004