Wolfram Research
Wolfram Alpha: Examples for Discrete Mathematics
Discrete mathematics deals with areas of mathematics that are discrete, as opposed to continuous, in nature. Sequences and series, counting problems, graph theory and set theory are some of the many branches of mathematics in this...
Other
Discrete Mathematics: Euler Paths and Circuits
Explanation and questions about Euler paths and circuits with solutions to the questions.
Texas Education Agency
Texas Gateway: Determining Reasonable Domains and Ranges (Verbal/graph)
Given a graph and/or verbal description of a situation (both continuous and discrete), the student will identify mathematical domains and ranges and determine reasonable domain and range values for the given situations.
CK-12 Foundation
Ck 12: Algebra: Solving Linear Systems Using Matrices and Technology
[Free Registration/Login may be required to access all resource tools.] This lesson covers using a graphing calculator and matrices to solve a system of equations.