TOP LINK:
KHAN
ACADEMY

(THIS IS THE BEST LINK; Online
videos of various math topics, various levels.
Internationally recognized, award-winning site, also good for
many topics beyond math.)

GENERAL LINKS:

Topics
in
Precalculus (really good site; I recommend this higher than any other, short of
the videos at Khan Academy. Although the set-up is unusual,
it seems to have EVERYTHING, and is easy to understand.)

UMich Ugrad Math Prep Module (prerequisite skills needed to succeed at collegiate mathematics)

UMich Ugrad Math Prep Module (prerequisite skills needed to succeed at collegiate mathematics)

Math Archives: Precalculus Links

Precalculus, "dan's math @ home lessons"

Defense
Acquisition
University Math Refresher

Topics in Precalculus (Langara College)

Cool
Math:
PreCalculus (really good site)

FACTORING POLYNOMIALS:

http://www.coolmath.com/algebra/Algebra2/02Polynomials/06_undoingFOIL.htm

http://www.coolmath.com/algebra/Algebra2/02Polynomials/07_hardertris.htms (Factoring harder trinomials)

http://www.coolmath.com/algebra/Algebra2/02Polynomials/07_hardertris.htms (Factoring harder trinomials)

LOGARITHMS:

The
Logarithm Page (a collection of links about
logarithms)

CONIC SECTIONS:

Conic
Flyer (interactive)

Conic
Sections (from Math is Fun)

Conic Sections
(from Math2Org, some good tables, basic graphics)

Review
of
Conics (from Essential Calculus)

SparkNotes
Conic
Sections Study Guide

Visual
context of conics (cones and plane)

THE UNIT CIRCLE:

TRIGONOMETRY:

An Introduction
to Trigonometry

PERMUTATIONS AND COMBINATIONS:

Permuations and Combinations (from "The Math Page") Great site; go to the Table of Contents or Home.

Combinations and Permutations Calculator

Easy Permuations and Combinations (from "Better Explained")

Combinations
and
Permutations (from
mathisfun.com)

Permuations and Combinations (from "QuickMBA")

Browse High School Permuations and Combinations (from "Ask Dr. Math")

Permuation and Combination (from tutors4you.com)

Thoughts
on
Teaching Permutations, Combinations, and the Binomial Theorem
(from Math Central,
Canada)

Permutations and Combinations (from Omega Math)

Just something a
little extra:

http://mathematicshelpcentral.com/

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