A geometry quickie!
14:54
An inscribed tower of squares.
18:08
a super nice functional equation
16:28
A very interesting differential equation.
15:44
Half of a deathly area...
11:47
can you solve this Swiss Math Olympiad problem??
19:27
How Paul Erdős Cracked This Geometry Problem | The Anning-Erdős Theorem
22:43
How to Design the Perfect Shaped Wheel for Any Given Road
20:40