Khanacademy can be called as your online tutor who proves beneficial for kids, elders or people with any age who have interest to learn. The Khan Academy is an organization is a nonprofit organization with the goal of changing education for the better by providing a free world-class education to anyone anywhere. Khanacademy has more than 2400 online tutorial videos on wide range of topics like mathematics, physics, finance, history, science and many more.

These videos are very well drafted and its simplicity makes upcoming students favorite. Well what more anybody can gain knowledge and improve themselves from these.

Its starts from very basic level like simple mathematics to complex college level subjects and on wide horizons.

Once you have given a good tutorial on any subject you have option to do exercises on the topics and strength your skills and become masters of the subject.

You also have option to check your growth by checking your stats and records.

Khanacademy can really benefit your kids, teachers and many more. And above all this services are completly free of cost.

Learn more: Khanacademy.