This list of mathematical series contains formulae for finite and infinite sums. It can be used in conjunction with other tools for evaluating sums. Here, $${\displaystyle 0^{0}}$$ is taken to have the value $${\displaystyle 1}$$$${\displaystyle \{x\}}$$ denotes the fractional part of $${\displaystyle x}$$ See more Low-order polylogarithms Finite sums: • $${\displaystyle \sum _{k=m}^{n}z^{k}={\frac {z^{m}-z^{n+1}}{1-z}}}$$, (geometric series) • See more Sums of sines and cosines arise in Fourier series. • $${\displaystyle \sum _{k=1}^{\infty }{\frac {\cos(k\theta )}{k}}=-{\frac {1}{2}}\ln(2-2\cos \theta )=-\ln \left(2\sin {\frac {\theta }{2}}\right),0<\theta <2\pi }$$ • See more • • $${\displaystyle \displaystyle \sum _{n=-\infty }^{\infty }e^{-\pi n^{2}}={\frac {\sqrt[{4}]{\pi }}{\Gamma \left({\frac {3}{4}}\right)}}}$$ See more • Series (mathematics) • List of integrals • Summation § Identities • Taylor series • Binomial theorem See more • $${\displaystyle \sum _{k=0}^{n}{n \choose k}=2^{n}}$$ • $${\displaystyle \sum _{k=0}^{n}(-1)^{k}{n \choose k}=0,{\text{ where }}n\geq 1}$$ • $${\displaystyle \sum _{k=0}^{n}{k \choose m}={n+1 \choose m+1}}$$ See more • $${\displaystyle \sum _{n=a+1}^{\infty }{\frac {a}{n^{2}-a^{2}}}={\frac {1}{2}}H_{2a}}$$ • $${\displaystyle \sum _{n=0}^{\infty }{\frac {1}{n^{2}+a^{2}}}={\frac {1+a\pi \coth(a\pi )}{2a^{2}}}}$$ See more These numeric series can be found by plugging in numbers from the series listed above. Alternating … See more WebJan 28, 2024 · Letter from the Director of the Earth Commons, Dr. Peter P. Marra It is a tremendous pleasure and honor to welcome you to the inaugural issue of Common Home, a student-driven publication exploring all topics intersecting environment and sustainability at Georgetown and beyond. The launch of Common Home comes at the perfect time for …

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