Whether you're learning about quotients and numerators for the first time or you're looking for a quick review, The Standard Deviants deliver. Throw your calculators away: this video covers addition, subtraction, multiplication, division, fractions, ratios and percentages the quick and easy way.

The talented and lively Standard Deviants crew teaches viewers ways to understand the nature of language instead of guiding them by rote memorization. Learn the intricacies of grammar, numbers, verbs, conjugation, adjectives and more. How? Along with skits, musical performances and other creative programs designed by a team of educators, learners do drills and quizzes at the end of each segment, as well as a comprehensive exam.

Organic Chemistry is a branch of chemistry that deals specifically with the structures, synthesis, and reactions of carbon-containing compounds. This organic chemistry tutorial will help you understand the various structures and reactions, as well as acids, bases, nomenclature, alkene and cycloalkene conformations, functional groups, Markovinkov's Rule, hydroxylation reactions and cis- and trans- isomers.

This edition of Trigonometry includes such topics as radians, the special angles, right triangles, the Pythagorean Theorem, sine, cosine, tangent, law of cosines and law of sines.

In Astronomy Part 2, you will learn all about the planets, asteroids, comets, meteoroids, the layers of the sun, fusion, and more. The Standard Deviants make learning astronomy easier with their unique teaching style, which incorporates humor, mnemonics, and sophisticated computer graphics.

Part 2 starts off with a quick review of graphing as well as sine, cosine and tangent. From there, this video charts new territory as we dive into amplitude, curves, double-angle formulas, sum-to-product-formulas and identities. Using computer graphics and animation, the Standard Deviants illustrate these complicated concepts far better than any blackboard!