Plotnika

\int_a^bdx \frac{d}{dx} \sum_{n=a}^{b} \prod_{n=a}^{b} \lim \sqrt[n]{x} \log_n \log \ln \exp \sin \cos \tan \sec \csc \cot \sinh \cosh \tanh \sech \csch \coth \arcsin \arccos \arctan ⌊x⌋ [x] ⌈x⌉ \sign \gcd \lcm \binom{n}{r} \nCr \nPr \erf \Gamma(x) \eta(x) \digamma(x) \zeta(x) \W(x)