John Bredakis 
From suspicion to something spectacular: My Fourier’s analysis [PDF ebook] 
Amazing approximations – Not by chance alone

Scientific Study from the year 2013 in the subject Mathematics – Miscellaneous, , language: English, abstract: I demonstrate that [2.e^(-π.x)+1] is a close approximation to several complicated formulas.
For everybody , with minimal knowledge of complex analysis to understand the marvelous Zeta function and the RH. And to comprehend also the basic property of the Theta function.