The below links provides access to a variety of tools. From e6B (flight computer) calculators to interactive basic navigation simulators. Aviation is a rapidly growing, particularly in developing countries, and there is great need for training a new generation of pilots who will fly more sophisticated aircraft in increasingly crowded and complex airspace.
No installation required. These simulators are ready* to run on your web browser, cell phone, or tablet and have a rich set of features. Practice basic VOR, ADF, RMI and HSI intrument orientation and execute holding patterns. Other simulators include pitot static system and altimeter errors.