Thinkwell's Trigonometry has high-quality online video lessons and automatic grading to make sure your students understand the trigonometry formulas they'll need to succeed in calculus. Thinkwell's award-winning math teacher, Edward Burger, can explain and demonstrate trig clearly to anyone, so trigonometry basics are easy to understand and remember. Professor Burger shares the tricks and tips so your students will remember them when they begin calculus.

LANGMaster COURSES are adapted from the popular Heinemann Readers. These textbooks are designed for English students from beginner to intermediate level. They provide an authentic English context and help improve the fluency and accuracy of your English.

Thinkwell's Chemistry is a two-semester college-level course that's accessible enough for introductory college chemistry courses, but rigorous enough for science majors. It is an excellent college prep course but requires a solid foundation in math; Algebra 2 or College Algebra are recommended as a prerequisite.

Thinkwell's Biology is a two-semester college-level biology course. Taught by Emmy Award-winning biology teacher George Wolfe, it has necessary rigor for a general biology course for biology majors. In fact, because it so clearly communicates even complicated topics, it is often used in introductory college biology courses, as well.The topic coverage is very similar to high school biology, which makes this an excellent course for college prep or a great resource for biology homework help.While there is no math prerequisite, a solid foundation in algebra is helpful.

Thinkwell's Economics is a college-level course and is a combination of both our Microeconomics and Macroeconomics courses; nothing is left out, so it's a fantastic 2-for-1 deal. Most colleges offer microeconomics and macroeconomics as one-semester courses. Some colleges present economics as a survey course covering microeconomics and macroeconomics topics but lasting only one semester. At least one semester in economics is recommended for a college prep curriculum. A good math foundation is important for this course; we recommend Algebra 2 or College Algebra as a prerequisite.

Thinkwell's Physics I is a calculus-based college-level physics course, intended for physics majors, as well as engineering and science students. It includes topics that are generally covered in the first semester of a two-semester sequence. Calculus is a prerequisite.

Instant Immersion language software uses natural image association techniques to help you learn Italian as easily as you learned your first language. Have more fun, save money and reach your goals faster — guaranteed! Whether you’re learning a new language for school, work or your next vacation, Instant Immersion’s fun and effective exercises, interactive activities and challenging quizzes will help you achieve language fluency in less time than other language systems. You will think, read and speak your new language with ease. The complete system includes six language learning CD-ROMS and three bonus discs: an interactive DVD, audio for an iPod or MP3 player and the Who is Oscar Lake? game.

All the skills critical to learning Dutch are addressed including reading, writing, listening, speaking, vocabulary, grammar, and culture. With more than 500 hours of learning, this is the most extensive offer on the market to help you learn Dutch.