After learning about the Taylor series for 1/(1+x) in calculus, you can find an interesting expression for Pi very easily. Start with...

Continue reading...# Taylor series

## Sum of Prime Reciprocals

It is a well-known fact that the harmonic series (the sum of the reciprocals of the natural numbers) diverges. But what about...

Continue reading...## Euler’s Formula

The five most important numbers in mathematics all appear in a single equation!ei*Pi + 1 = 0.In fact, this is a...

Continue reading...## Suspended Rope Trick

What is the shape of a suspended rope? Is there some function that describes it? Answer: it’s the cosh curve!...

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