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This online course gives an introduction to trigonometry.

This online course shows how to code tile-based worlds and related core gameplay for genres like arcade, overhead racing, and puzzle adventure.

This online course teaches everything about becoming a professional PHP developer with practical exercises and projects.

This online course teaches more than 20 hands-on examples of analyzing large data sets with Apache Spark, on your desktop or on Hadoop.

This online course shows various shortcuts for Windows 10 users.

This online course teaches how to build websites with HTML, CSS, Bootstrap, Javascript, jQuery, Python 3, and Django 1.11.

This online course teaches how to master WordPress without learning how to code and without any programming.

This online course shows about 50 photography tips for taking photos with DSLR, mirrorless or compact cameras.

This online course teaches Arabic language, including the Arabic alphabet.

This online course teaches how to use Reiki energy to help animals.

This online course shows how to work in a freelancing role on the Upwork platform. It includes topics such as setting up a professional profile, finding and winning jobs, and...

This online course teaches how to draw professional characters for animation, games, comics, manga and more.

This online course teaches how to become a Full-Stack Developer and shows everything from design to front and back-end programming.

This online course teaches formulas and functions in Excel.

This online course teaches how to work and find clients as a professional freelancer.

This online course teaches how to outsource with uncommon techniques and skills for helping project success.

This online course shows various presentation techniques.

This online course shows techniques to be productive as a writer.

This online course gives an introduction to Cloud Computing.

This online course teaches how to play saxophone, assemble and care for a saxophone, read and interpret music notation, and more.