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The Eight Queens Problem	General (Discrete Math)	Computer	Tool		[0]
Place 8 queens on the chess board in such a way so that no queen can attack another. One solution provided. More: lessons, discussions, ratings, reviews,...
Wolfram Education Portal	General (Discrete Math)	Computer	Tool		[0]
Thousands of free dynamic interactive visualizations. Sorted by level for elementary and middle grades, and by topic for high school subjects. Uses the free Mathematica Player, or commercially availab... More: lessons, discussions, ratings, reviews,...
Maple	General (Discrete Math)	Computer Algebra System	Tool	$	[0]
Maple is an environment for scientific and engineering problem-solving, mathematical exploration, data visualization and technical authoring. It provides both numeric and symbolic capabilities. More: lessons, discussions, ratings, reviews,...
Maple IDE (integrated developm...	General (Discrete Math)	Computer Algebra System	Tool	$	[0]
Maple IDE is a flexible development toolkit that allows you to improve your productivity when developing in Maple by enabling you to maintain code and solve application problems. Maple IDE includes a ... More: lessons, discussions, ratings, reviews,...
About Arithmetic Sequences	Terminology of sequences (Discrete Math)+	Flash	Tool		[0]
Flash-based introduction to arithmetic sequences, including finding the general term, a specific term, and the sum of a range of terms. College Cram charges access fees by the month or by the sem... More: lessons, discussions, ratings, reviews,...
About Geometric Sequences	Terminology of sequences (Discrete Math)+	Flash	Tool		[0]
Flash-based introduction to geometric sequences, including finding the general term, a specific term, and the sum of a range of terms. College Cram charges access fees by the month or by the seme... More: lessons, discussions, ratings, reviews,...
Colouring Maps	Graphs and Trees (Discrete Math)	Flash	Tool		[1]
In order to color a map so that regions that share a border do not share a color, four colors are necessary. Can you change the colors of this map so that no adjacent regions share a color? More: lessons, discussions, ratings, reviews,...
Combinations	Subsets and Combinations (Discrete Math)	Flash	Tool		[2]
Flash tutorial introducing the formula C(n,k)=n!/(k!(n-k)!). College Cram charges access fees by the month or by the semester for most resources. To get a preview of their tools, see their free mat... More: lessons, discussions, ratings, reviews,...
Decanting Puzzle	General (Discrete Math)	Flash	Tool		[0]
You have two unmarked jugs. One will hold 5 liters, one will hold 3. Given an unlimited supply of water, can you measure exactly 4 liters with these jugs? Try the problem here using different sizes of... More: lessons, discussions, ratings, reviews,...
Euler Circuits and Euler Trail...	Walks, paths, circuits (Discrete Math)+	Flash	Tool		[0]
This set of problems consists of a handful of randomly selected graphs for which the user is to find an Euler circuit or trail (i.e., a walk in the graph that uses every edge exactly once) if it exist... More: lessons, discussions, ratings, reviews,...
Factorials	Factorial notation (Discrete Math)	Flash	Tool		[3]
Flash-based introduction to calculating factorials. College Cram charges access fees by the month or by the semester for most resources. To get a preview of their tools, see their free math module... More: lessons, discussions, ratings, reviews,...
Graph Isomorphism	Isomorphisms of Graphs (Discrete Math)	Flash	Tool		[0]
The simplest way to explain graph isomorphism is to say that one graph can be rearranged to look like the other one. Thanks to a drag-and-drop interface, students can put this notion of isomorphism di... More: lessons, discussions, ratings, reviews,...
Hamiltonian Cycles	Hamiltonian circuits (Discrete Math)	Flash	Tool		[0]
This set of problems consists of a handful of randomly selected graphs for which the user is to find a Hamiltonian circuit or trail (i.e., a walk in the graph that uses every vertex exactly once) if i... More: lessons, discussions, ratings, reviews,...
Learning to Reason	Logical Form & Equivalence (Discrete Math)	Flash	Tool		[0]
The author states, "When we reason within a logical framework, words must be manipulated according to the rules of the game...." Her site offers an opportunity to learn about the terms not, ... More: lessons, discussions, ratings, reviews,...
Math Images Tool: Pascal's Tri...	Permutations vs. combs. (Discrete Math)+	Flash	Tool		[0]
This Flash animation, developed as part of the Math Images project, allows users to explore some of the patterns present in Pascal's Triangle. More: lessons, discussions, ratings, reviews,...
Matrix Multiplication	Matrix multiplication (Discrete Math)	Flash	Tool		[0]
Flash tutorial introducing matrix multiplication. College Cram charges access fees by the month or by the semester for most resources. To get a preview of their tools, see their free math modules.<... More: lessons, discussions, ratings, reviews,...
Permutations	Permutations (Discrete Math)	Flash	Tool		[0]
Flash tutorial introducing the formula P(n,k)=n!/(n-k)!. College Cram charges access fees by the month or by the semester for most resources. To get a preview of their tools, see their free math mo... More: lessons, discussions, ratings, reviews,...
Planar Graphs	Graphs and Trees (Discrete Math)	Flash	Tool		[0]
This set of problems is similar to the ones on pages 1 and 2, but this time, instead of looking for a particular structure within the graph, the question is whether or not the vertices (nodes) of the ... More: lessons, discussions, ratings, reviews,...
Planarity	Paths and Circuits (Discrete Math)	Flash	Tool		[1]
In this Flash activity, arrange the vertices such that no edges overlap. Solve graphs of increasing difficulty, accumulating points based on the number of moves and the time it took to make them. More: lessons, discussions, ratings, reviews,...
The Game of Marienbad	Subsets and Combinations (Discrete Math)	Flash	Tool		[1]
A version of the game of Nim, as played in the film "Last Year at Marienbad." You and the computer take turns removing as many cards as you like from one row at a time; the player who takes the last c... More: lessons, discussions, ratings, reviews,...
Truth Table Applications	Truth tables (Discrete Math)	Flash	Tool		[0]
This set of problem reminds the user of the natural language context for propositional expressions and truth tables. After completing a truth table, the user is asked questions about various circumsta... More: lessons, discussions, ratings, reviews,...
Truth Tables for Determining L...	Truth tables (Discrete Math)	Flash	Tool		[0]
This set of problems consists of a handful of randomly selected pairs of expressions for which the user must provide a truth table in order to determine if the two expressions are logically equivalent... More: lessons, discussions, ratings, reviews,...
Truth Tables for Expressions U...	Truth tables (Discrete Math)	Flash	Tool		[0]
This set of problems consists of a handful of randomly selected expressions for which the user must provide a truth table. The statements use only "and", "or" and "not" as logical connectives and each... More: lessons, discussions, ratings, reviews,...
Truth Tables for Expressions U...	Truth tables (Discrete Math)	Flash	Tool		[0]
This set of problems consists of a handful of randomly selected expressions for which the user must provide a truth table. The statements use "and", "or", "not", and implication as logical connectives... More: lessons, discussions, ratings, reviews,...
Truth Tables in Three Variable...	Truth tables (Discrete Math)	Flash	Tool		[0]
This set of problems consists of a handful of randomly selected expressions for which the user must provide a truth table. The statements use "and", "or", "not", and implication as logical connectives... More: lessons, discussions, ratings, reviews,...
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