Archive for July, 2010

Quantum Atomica

Quantum Atomica

July 25, 2010  |  Free Chemistry Software  |  No Comments  |  Share

Quantum Atomica is a free program developed specifically to help visualize hydrogen orbitals in a variety of ways. This is done by plotting the solutions to Schrödinger’s Equation. Read More

Periodic Table And Chemical Solutions Calculator 2.2

Periodic Table And Chemical Solutions Calculator 2.2

July 25, 2010  |  Free Chemistry Software  |  No Comments  |  Share

This software was written for teachers, technicians, and students. It includes a periodic table, database of the elements as well as two calculators; one for molar-mass calculations and the other a chemical-solutions calculator. Read More

Chem File Browser

Chem File Browser

July 25, 2010  |  Free Chemistry Software  |  No Comments  |  Share

ChemFileBrowser is a win32 free software which was designed to visualize and work with SDFile (MDL® format). A format which is used by chemists to exchange and store compounds as well as associated data. Read More

Differential Equations – an Introduction

July 19, 2010  |  Differential Equations  |  No Comments  |  Share

An introduction to differential equations. Diff equations are some of the most useful types of equations in all of mathematics. They tend to show up in all types of fields such as physics, chemistry, economics and even in biology and medicine. It is therefor important that one understands the theory behind differential equations prior to using them.

http://www.youtube.com/watch?v=i37Zvv-T37Q

10 Examples of Graphs You Should Know

July 19, 2010  |  Graphs  |  No Comments  |  Share

This video presents 10 different graphs every student should have mastered. They tend to come up time and time again, might as well learn these by heart. This is not to say that only these 10 graphs or important but hey, you’ve gotta start somewhere!

Basic Limit Information

July 19, 2010  |  Limits  |  No Comments  |  Share

This video contains some basic information about limits. This can be particularly helpful if you’re new to the concept of limits or if you simply wish to refresh your memory.

Basic Trigonometry – Sohcahtoa | Part 1

July 19, 2010  |  Trigonometry  |  No Comments  |  Share

Part 1 of Basic Trigonometry. This video introduces some important trig concepts.

A short introduction to trigonometry. Among other things, the sine, cosine and the tangent is covered. We also get to learn about the famous mnemonic for remembering the relationships between them (in terms of being adjacent or opposite), namely: sohcahtoa or so cah toa. An introductory video to start out with if you’re new to trigonometry.

Basic Trigonometry – Sohcahtoa | Part 2

July 19, 2010  |  Trigonometry  |  No Comments  |  Share

Part 2 of Basic Trigonometry. This video contains more examples.

A short introduction to trigonometry. Among other things, the sine, cosine and the tangent is covered. We also get to learn about the famous mnemonic for remembering the relationships between them (in terms of being adjacent or opposite), namely: sohcahtoa or so cah toa. An introductory video to start out with if you’re new to trigonometry.

Different Variance Formulas

July 19, 2010  |  Stats  |  No Comments  |  Share

In this video some different formulas for variance is introduced. It’s important so you won’t get confused when you see one formula in one textbook and another in some other textbook. There are simply put, alternate ways of writing it. Understanding the different formulas gives you a deeper intuition into the matter at hand.

Basic Derivative Examples

July 19, 2010  |  Calculus  |  No Comments  |  Share

Examples of some basic derivatives. You’ll need to master the basic ones before you can proceed to learn more advanced derivatives.