I Like Math

The Big Resources. Wikipedia mathematics has many interesting articles, but doesn't gives decent explanations in many elementary topic...

Just find a nice demonstration for volumes and area of the n-spheres here . First he demonstrates the formula for a general pyramid (by divi...

The tangent to the midpoint between two roots in a third degree polynomial(with three roots) is always the third root. Just saw that at Poly...

You can only proof this identity after you clearly defined what e^(ix) means. In this sense arguments using calculus and using differential ...

This is a proof of Euler's formula that uses the circular motion Suppose P(t)= e^(it) is a trajectory on the complex plane, using some...