For a long time, math was for what Khan Academy was known. While programming is overtaking that role, Khan Academy's roots will always be in clear videos explaining math concepts. Mr. Khan color codes his concepts. Learning from a video provides the ability to pause and try to work out the problem, then watch the problem be worked out. As can be seen on the right, they have math for all ages and levels. Math is also the only subject where the user's progress appears in the drop down menu. When an individual doodles, math is often subconsciously at work. This can be seen in the recreational math section.