Low-order polylogarithms
Finite sums:
• $${\displaystyle \sum _{k=m}^{n}z^{k}={\frac {z^{m}-z^{n+1}}{1-z}}}$$, (geometric series)
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• $${\displaystyle \displaystyle \sum _{n=-\infty }^{\infty }e^{-\pi n^{2}}={\frac {\sqrt[{4}]{\pi }}{\Gamma \left({\frac {3}{4}}\right)}}}$$ See more

• Series (mathematics)
• List of integrals
• Summation § Identities
• Taylor series
• Binomial theorem See more

Sums of sines and cosines arise in Fourier series.
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• $${\displaystyle \sum _{n=a+1}^{\infty }{\frac {a}{n^{2}-a^{2}}}={\frac {1}{2}}H_{2a}}$$
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These numeric series can be found by plugging in numbers from the series listed above.
Alternating harmonic series
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1. ^ Weisstein, Eric W. "Haversine". MathWorld. Wolfram Research, Inc. Archived from the original on 2005-03-10. Retrieved 2015-11-06. See more