# Links to Free Online Resources

## Math Resources

**MathGuys -** Students ask questions and professionally trained tutors and professors respond by making **FREE** Math videos tailored to the particular question or by explaining the necessary steps in detail.

"Subscribe" to their YouTube channel.

"Like" their Facebook page.

**PatrickJMT** - Free videos for topics such as Algebra, Precalculus, Calculus, Differential Equations, and Discrete Mathematics.

**Paul's Online Math Notes** - Free math notes from a Professor. Includes Algebra, Calculus I, II, III, Linear Algebra, and Differential Equations.

**KhanAcademy**- Free videos and practice problems for countless topics.

**Calc Chat** - Offers ** free student solutions manuals** for many math textbooks by Ron Larson.

**Purplemath** - Excellent resource for lessons in Algebra and Trigonometry. Click on links in "Lessons Index" to view the lessons.

**MIT Open Courseware** - Full, recorded lectures for learning at your own pace.

**MTH151** (Math for Liberal Arts I), **MTH285** (Linear Algebra), **MTH286** (Discrete Mathematics).

**InterAct Math** - Provides free multiple choice practice problems from a great assortment of math textbooks. These books include College Algebra, Precalculus, and much more.

**WolframAlpha** - Solves many numerical problems for Math (including integrals, limits, and infinite series), Physics, Chemistry, Engineering, etc.

**Graph -** **FREE** open source software to graph functions, relations, derivatives, and integrals.

## Physics Resources

**HyperPhysics** - Summaries and guides for all physics topics.

**Brightstorm **- Brief videos of concepts and step-by-step worked problems.

**Annenberg Learner** - Brief videos of physics concepts.

**MIT Open Courseware** - Full, recorded lectures for learning at your own pace.

**PhET** - Interactive simulations of physical phenomena.

**Physics Forums** - A highly helpful advice forum.

## Chemistry Resources

**Brightstorm **- Brief videos of concepts and step-by-step worked problems.

**General Chemistry Online!** - Free general chemistry notes and practice problems.

## Biology Resources

**CELLS alive!** - Interactive cellular models with explanations.

**Cell Biology Animation** - The name says it all. There are animations regarding DNA, chromosome structures, parts of a cell, etc.

**Learn.Genetics** - Resource by The University of Utah providing all types of information regarding genetics.

## Accounting Resources

**Bean Counter **- Free tutorials, interactive videos for accounting and bookkeeping, software, etc. To begin, click on "Tutorial Center" on the top of the page and "My Bookkeeping Tutorial Site".